Run id: 82031

Main.cc: In function 'int main()':
Main.cc:4:5: error: 'cin' was not declared in this scope
     cin>>n>>x>>y;
     ^
Main.cc:7:5: error: 'cout' was not declared in this scope
     cout<<0;
     ^
Main.cc:12:5: error: 'cout' was not declared in this scope
     cout<<0;
     ^
Main.cc:17:5: error: 'cout' was not declared in this scope
     cout<