Main.cc: In function 'int main()':
Main.cc:4:8: error: expected initializer before '>>' token
cin>>a>>b;
^
Main.cc:5:5: error: 'cout' was not declared in this scope
cout << a+b ;
^
Main.cc:5:5: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/5/iostream:61:18: note: 'std::cout'
extern ostream cout; /// Linked to standard output
^