Run id: 135298

Main.cc: In function 'int main()':
Main.cc:4:2: error: 'cin' was not declared in this scope
  cin>>a;
  ^
Main.cc:8:6: error: 'cout' was not declared in this scope
      cout<<"YES";
      ^
Main.cc:11:6: error: 'cout' was not declared in this scope
      cout<<"NO";
      ^