Run id: 98759

Main.cc:2:1: error: 'usiang' does not name a type
 usiang namespace std;
 ^
Main.cc: In function 'int main()':
Main.cc:5:5: error: 'cin' was not declared in this scope
     cin>>a;
     ^
Main.cc:5:5: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/5/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
Main.cc:6:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     if(a%4==0 && a%100!=0 || a%400==0){
               ^
Main.cc:7:12: error: 'cout' was not declared in this scope
            cout<