Run id: 143084

Main.cc: In function 'int main()':
Main.cc:5:17: error: no match for 'operator!=' (operand types are 'std::basic_istream::__istream_type {aka std::basic_istream}' and 'int')
     while(cin>>a!=0&&cin>>!=0){
                 ^
Main.cc:5:17: note: candidate: operator!=(int, int) 
Main.cc:5:17: note:   no known conversion for argument 1 from 'std::basic_istream::__istream_type {aka std::basic_istream}' to 'int'
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:948:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)
     operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
     ^
/usr/include/c++/5/bits/regex.h:948:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:1026:5: note: candidate: template bool std::__cxx11::operator!=(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)
     operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
     ^
/usr/include/c++/5/bits/regex.h:1026:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:1106:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)
     operator!=(const sub_match<_Bi_iter>& __lhs,
     ^
/usr/include/c++/5/bits/regex.h:1106:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:1183:5: note: candidate: template bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)
     operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
     ^
/usr/include/c++/5/bits/regex.h:1183:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:1257:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)
     operator!=(const sub_match<_Bi_iter>& __lhs,
     ^
/usr/include/c++/5/bits/regex.h:1257:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:1334:5: note: candidate: template bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)
     operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
     ^
/usr/include/c++/5/bits/regex.h:1334:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:1414:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)
     operator!=(const sub_match<_Bi_iter>& __lhs,
     ^
/usr/include/c++/5/bits/regex.h:1414:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/regex:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:108,
                 from Main.cc:1:
/usr/include/c++/5/bits/regex.h:1938:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)
     operator!=(const match_results<_Bi_iter, _Alloc>& __m1,
     ^
/usr/include/c++/5/bits/regex.h:1938:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/unordered_set:48:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:116,
                 from Main.cc:1:
/usr/include/c++/5/bits/unordered_set.h:1427:5: note: candidate: template bool std::operator!=(const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>&, const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>&)
     operator!=(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/unordered_set.h:1427:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/unordered_set:48:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:116,
                 from Main.cc:1:
/usr/include/c++/5/bits/unordered_set.h:1415:5: note: candidate: template bool std::operator!=(const std::unordered_set<_Value, _Hash, _Pred, _Alloc>&, const std::unordered_set<_Value, _Hash, _Pred, _Alloc>&)
     operator!=(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/unordered_set.h:1415:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::unordered_set<_Value, _Hash, _Pred, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/unordered_map:48:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:115,
                 from Main.cc:1:
/usr/include/c++/5/bits/unordered_map.h:1548:5: note: candidate: template bool std::operator!=(const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&, const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&)
     operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/unordered_map.h:1548:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/unordered_map:48:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:115,
                 from Main.cc:1:
/usr/include/c++/5/bits/unordered_map.h:1536:5: note: candidate: template bool std::operator!=(const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&, const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&)
     operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/unordered_map.h:1536:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:109:0,
                 from Main.cc:1:
/usr/include/c++/5/scoped_allocator:462:5: note: candidate: template bool std::operator!=(const std::scoped_allocator_adaptor<_OutA1, _InA ...>&, const std::scoped_allocator_adaptor<_InnerHead, _InnerTail ...>&)
     operator!=(const scoped_allocator_adaptor<_OutA1, _InA...>& __a,
     ^
/usr/include/c++/5/scoped_allocator:462:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::scoped_allocator_adaptor<_OutA1, _InA ...>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/future:40:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:103,
                 from Main.cc:1:
/usr/include/c++/5/thread:215:3: note: candidate: bool std::operator!=(std::thread::id, std::thread::id)
   operator!=(thread::id __x, thread::id __y) noexcept
   ^
/usr/include/c++/5/thread:215:3: note:   no known conversion for argument 1 from 'std::basic_istream::__istream_type {aka std::basic_istream}' to 'std::thread::id'
In file included from /usr/include/c++/5/forward_list:38:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:102,
                 from Main.cc:1:
/usr/include/c++/5/bits/forward_list.h:1371:5: note: candidate: template bool std::operator!=(const std::forward_list<_Tp, _Alloc>&, const std::forward_list<_Tp, _Alloc>&)
     operator!=(const forward_list<_Tp, _Alloc>& __lx,
     ^
/usr/include/c++/5/bits/forward_list.h:1371:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::forward_list<_Tp, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/forward_list:38:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:102,
                 from Main.cc:1:
/usr/include/c++/5/bits/forward_list.h:266:5: note: candidate: template bool std::operator!=(const std::_Fwd_list_iterator<_Tp>&, const std::_Fwd_list_const_iterator<_Tp>&)
     operator!=(const _Fwd_list_iterator<_Tp>& __x,
     ^
/usr/include/c++/5/bits/forward_list.h:266:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::_Fwd_list_iterator<_Tp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0,
                 from Main.cc:1:
/usr/include/c++/5/valarray:1180:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator!=(const _Tp&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(!=, __not_equal_to)
 ^
/usr/include/c++/5/valarray:1180:1: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   mismatched types 'const std::valarray<_Tp>' and 'int'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0,
                 from Main.cc:1:
/usr/include/c++/5/valarray:1180:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator!=(const std::valarray<_Tp>&, const _Tp&)
 _DEFINE_BINARY_OPERATOR(!=, __not_equal_to)
 ^
/usr/include/c++/5/valarray:1180:1: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::valarray<_Tp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94:0,
                 from Main.cc:1:
/usr/include/c++/5/valarray:1180:1: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator!=(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(!=, __not_equal_to)
 ^
/usr/include/c++/5/valarray:1180:1: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::valarray<_Tp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/valarray:587:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94,
                 from Main.cc:1:
/usr/include/c++/5/bits/valarray_after.h:415:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator!=(const std::valarray&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
     ^
/usr/include/c++/5/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/valarray:587:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94,
                 from Main.cc:1:
/usr/include/c++/5/bits/valarray_after.h:415:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator!=(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray&)
     _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
     ^
/usr/include/c++/5/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/valarray:587:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94,
                 from Main.cc:1:
/usr/include/c++/5/bits/valarray_after.h:415:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator!=(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
     ^
/usr/include/c++/5/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/valarray:587:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94,
                 from Main.cc:1:
/usr/include/c++/5/bits/valarray_after.h:415:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator!=(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
     _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
     ^
/usr/include/c++/5/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/valarray:587:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:94,
                 from Main.cc:1:
/usr/include/c++/5/bits/valarray_after.h:415:5: note: candidate: template std::_Expr, typename std::__fun::result_type> std::operator!=(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
     ^
/usr/include/c++/5/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/stack:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:88,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_stack.h:270:5: note: candidate: template bool std::operator!=(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&)
     operator!=(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y)
     ^
/usr/include/c++/5/bits/stl_stack.h:270:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::stack<_Tp, _Seq>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/set:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_multiset.h:849:5: note: candidate: template bool std::operator!=(const std::multiset<_Key, _Compare, _Alloc>&, const std::multiset<_Key, _Compare, _Alloc>&)
     operator!=(const multiset<_Key, _Compare, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/stl_multiset.h:849:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::multiset<_Key, _Compare, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/set:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:86,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_set.h:866:5: note: candidate: template bool std::operator!=(const std::set<_Key, _Compare, _Alloc>&, const std::set<_Key, _Compare, _Alloc>&)
     operator!=(const set<_Key, _Compare, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/stl_set.h:866:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::set<_Key, _Compare, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/queue:64:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:85,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_queue.h:295:5: note: candidate: template bool std::operator!=(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&)
     operator!=(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y)
     ^
/usr/include/c++/5/bits/stl_queue.h:295:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::queue<_Tp, _Seq>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/memory:82:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81,
                 from Main.cc:1:
/usr/include/c++/5/bits/shared_ptr.h:363:5: note: candidate: template bool std::operator!=(std::nullptr_t, const std::shared_ptr<_Tp1>&)
     operator!=(nullptr_t, const shared_ptr<_Tp>& __a) noexcept
     ^
/usr/include/c++/5/bits/shared_ptr.h:363:5: note:   template argument deduction/substitution failed:
Main.cc:5:14: note:   cannot convert 'std::cin.std::basic_istream<_CharT, _Traits>::operator>> >(a)' (type 'std::basic_istream::__istream_type {aka std::basic_istream}') to type 'std::nullptr_t'
     while(cin>>a!=0&&cin>>!=0){
              ^
In file included from /usr/include/c++/5/memory:82:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81,
                 from Main.cc:1:
/usr/include/c++/5/bits/shared_ptr.h:358:5: note: candidate: template bool std::operator!=(const std::shared_ptr<_Tp1>&, std::nullptr_t)
     operator!=(const shared_ptr<_Tp>& __a, nullptr_t) noexcept
     ^
/usr/include/c++/5/bits/shared_ptr.h:358:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::shared_ptr<_Tp1>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/memory:82:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81,
                 from Main.cc:1:
/usr/include/c++/5/bits/shared_ptr.h:352:5: note: candidate: template bool std::operator!=(const std::shared_ptr<_Tp1>&, const std::shared_ptr<_Tp2>&)
     operator!=(const shared_ptr<_Tp1>& __a,
     ^
/usr/include/c++/5/bits/shared_ptr.h:352:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::shared_ptr<_Tp1>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0,
                 from /usr/include/c++/5/memory:82,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81,
                 from Main.cc:1:
/usr/include/c++/5/bits/shared_ptr_base.h:1210:5: note: candidate: template bool std::operator!=(std::nullptr_t, const std::__shared_ptr<_Tp, _Lp>&)
     operator!=(nullptr_t, const __shared_ptr<_Tp, _Lp>& __a) noexcept
     ^
/usr/include/c++/5/bits/shared_ptr_base.h:1210:5: note:   template argument deduction/substitution failed:
Main.cc:5:14: note:   cannot convert 'std::cin.std::basic_istream<_CharT, _Traits>::operator>> >(a)' (type 'std::basic_istream::__istream_type {aka std::basic_istream}') to type 'std::nullptr_t'
     while(cin>>a!=0&&cin>>!=0){
              ^
In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0,
                 from /usr/include/c++/5/memory:82,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81,
                 from Main.cc:1:
/usr/include/c++/5/bits/shared_ptr_base.h:1205:5: note: candidate: template bool std::operator!=(const std::__shared_ptr<_Tp, _Lp>&, std::nullptr_t)
     operator!=(const __shared_ptr<_Tp, _Lp>& __a, nullptr_t) noexcept
     ^
/usr/include/c++/5/bits/shared_ptr_base.h:1205:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::__shared_ptr<_Tp, _Lp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/bits/shared_ptr.h:52:0,
                 from /usr/include/c++/5/memory:82,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:81,
                 from Main.cc:1:
/usr/include/c++/5/bits/shared_ptr_base.h:1199:5: note: candidate: template bool std::operator!=(const std::__shared_ptr<_Tp1, _Lp>&, const std::__shared_ptr<_Tp2, _Lp>&)
     operator!=(const __shared_ptr<_Tp1, _Lp>& __a,
     ^
/usr/include/c++/5/bits/shared_ptr_base.h:1199:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::__shared_ptr<_Tp1, _Lp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/map:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_multimap.h:998:5: note: candidate: template bool std::operator!=(const std::multimap<_Key, _Tp, _Compare, _Alloc>&, const std::multimap<_Key, _Tp, _Compare, _Alloc>&)
     operator!=(const multimap<_Key, _Tp, _Compare, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/stl_multimap.h:998:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::multimap<_Key, _Tp, _Compare, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/map:61:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_map.h:1097:5: note: candidate: template bool std::operator!=(const std::map<_Key, _Tp, _Compare, _Alloc>&, const std::map<_Key, _Tp, _Compare, _Alloc>&)
     operator!=(const map<_Key, _Tp, _Compare, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/stl_map.h:1097:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::map<_Key, _Tp, _Compare, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/map:60:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_tree.h:1293:5: note: candidate: template bool std::operator!=(const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&, const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&)
     operator!=(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/stl_tree.h:1293:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/map:60:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:80,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_tree.h:330:5: note: candidate: template bool std::operator!=(const std::_Rb_tree_iterator<_Tp>&, const std::_Rb_tree_const_iterator<_Val>&)
     operator!=(const _Rb_tree_iterator<_Val>& __x,
     ^
/usr/include/c++/5/bits/stl_tree.h:330:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::_Rb_tree_iterator<_Tp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/list:63:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:78,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_list.h:1843:5: note: candidate: template bool std::operator!=(const std::__cxx11::list<_Tp, _Alloc>&, const std::__cxx11::list<_Tp, _Alloc>&)
     operator!=(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
     ^
/usr/include/c++/5/bits/stl_list.h:1843:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::__cxx11::list<_Tp, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/list:63:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:78,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_list.h:291:5: note: candidate: template bool std::operator!=(const std::_List_iterator<_Tp>&, const std::_List_const_iterator<_Val>&)
     operator!=(const _List_iterator<_Val>& __x,
     ^
/usr/include/c++/5/bits/stl_list.h:291:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::_List_iterator<_Tp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/iterator:66:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:76,
                 from Main.cc:1:
/usr/include/c++/5/bits/stream_iterator.h:137:5: note: candidate: template bool std::operator!=(const std::istream_iterator<_Tp, _CharT, _Traits, _Dist>&, const std::istream_iterator<_Tp, _CharT, _Traits, _Dist>&)
     operator!=(const istream_iterator<_Tp, _CharT, _Traits, _Dist>& __x,
     ^
/usr/include/c++/5/bits/stream_iterator.h:137:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::istream_iterator<_Tp, _CharT, _Traits, _Dist>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/bits/locale_conv.h:41:0,
                 from /usr/include/c++/5/locale:43,
                 from /usr/include/c++/5/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71,
                 from Main.cc:1:
/usr/include/c++/5/bits/unique_ptr.h:652:5: note: candidate: template bool std::operator!=(std::nullptr_t, const std::unique_ptr<_Tp, _Dp>&)
     operator!=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) noexcept
     ^
/usr/include/c++/5/bits/unique_ptr.h:652:5: note:   template argument deduction/substitution failed:
Main.cc:5:14: note:   cannot convert 'std::cin.std::basic_istream<_CharT, _Traits>::operator>> >(a)' (type 'std::basic_istream::__istream_type {aka std::basic_istream}') to type 'std::nullptr_t'
     while(cin>>a!=0&&cin>>!=0){
              ^
In file included from /usr/include/c++/5/bits/locale_conv.h:41:0,
                 from /usr/include/c++/5/locale:43,
                 from /usr/include/c++/5/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71,
                 from Main.cc:1:
/usr/include/c++/5/bits/unique_ptr.h:647:5: note: candidate: template bool std::operator!=(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t)
     operator!=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) noexcept
     ^
/usr/include/c++/5/bits/unique_ptr.h:647:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/bits/locale_conv.h:41:0,
                 from /usr/include/c++/5/locale:43,
                 from /usr/include/c++/5/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:71,
                 from Main.cc:1:
/usr/include/c++/5/bits/unique_ptr.h:641:5: note: candidate: template bool std::operator!=(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&)
     operator!=(const unique_ptr<_Tp, _Dp>& __x,
     ^
/usr/include/c++/5/bits/unique_ptr.h:641:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::unique_ptr<_Tp, _Dp>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70:0,
                 from Main.cc:1:
/usr/include/c++/5/functional:2357:5: note: candidate: template bool std::operator!=(std::nullptr_t, const std::function<_Res(_ArgTypes ...)>&)
     operator!=(nullptr_t, const function<_Res(_Args...)>& __f) noexcept
     ^
/usr/include/c++/5/functional:2357:5: note:   template argument deduction/substitution failed:
Main.cc:5:14: note:   cannot convert 'std::cin.std::basic_istream<_CharT, _Traits>::operator>> >(a)' (type 'std::basic_istream::__istream_type {aka std::basic_istream}') to type 'std::nullptr_t'
     while(cin>>a!=0&&cin>>!=0){
              ^
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70:0,
                 from Main.cc:1:
/usr/include/c++/5/functional:2351:5: note: candidate: template bool std::operator!=(const std::function<_Res(_ArgTypes ...)>&, std::nullptr_t)
     operator!=(const function<_Res(_Args...)>& __f, nullptr_t) noexcept
     ^
/usr/include/c++/5/functional:2351:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::function<_Res(_ArgTypes ...)>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/functional:55:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70,
                 from Main.cc:1:
/usr/include/c++/5/tuple:941:5: note: candidate: template constexpr bool std::operator!=(const std::tuple<_Elements ...>&, const std::tuple<_Elements ...>&)
     operator!=(const tuple<_TElements...>& __t,
     ^
/usr/include/c++/5/tuple:941:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::tuple<_Elements ...>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/tuple:39:0,
                 from /usr/include/c++/5/functional:55,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:70,
                 from Main.cc:1:
/usr/include/c++/5/array:245:5: note: candidate: template bool std::operator!=(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)
     operator!=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
     ^
/usr/include/c++/5/array:245:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::array<_Tp, _Nm>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/deque:64:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_deque.h:2246:5: note: candidate: template bool std::operator!=(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)
     operator!=(const deque<_Tp, _Alloc>& __x,
     ^
/usr/include/c++/5/bits/stl_deque.h:2246:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::deque<_Tp, _Alloc>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/deque:64:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_deque.h:285:5: note: candidate: template bool std::operator!=(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)
     operator!=(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
     ^
/usr/include/c++/5/bits/stl_deque.h:285:5: note:   template argument deduction/substitution failed:
Main.cc:5:19: note:   'std::basic_istream::__istream_type {aka std::basic_istream}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
     while(cin>>a!=0&&cin>>!=0){
                   ^
In file included from /usr/include/c++/5/deque:64:0,
                 from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:67,
                 from Main.cc:1:
/usr/include/c++/5/bits/stl_deque.h:278:5: note: candidate: template bool std::operator!=(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)
     operator!=(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
     ^
/usr/include/c++/5/bits/stl_deque.h:278:5: note:   template argument deduction/substitution failed: