Run id: 1862

Main.cc: In function 'int main()':
Main.cc:6:5: error: 'cin' was not declared in this scope
     cin>>a;
     ^
Main.cc:13:9: error: 'cout' was not declared in this scope
         cout<"YES";
         ^
Main.cc:16:9: error: 'cout' was not declared in this scope
         cout<<"NO";
         ^