Run id: 6011

Main.cc: In function 'int main()':
Main.cc:6:5: error: 'cin' was not declared in this scope
     cin>>n;
     ^
Main.cc:26:16: error: 'cout' was not declared in this scope
     if(cnt>=3) cout<"No"=3) cout<"No"<<endl;
                            ^
Main.cc:27:10: error: 'cout' was not declared in this scope
     else cout<<"Yes"<<endl;
          ^
Main.cc:27:23: error: 'endl' was not declared in this scope
     else cout<<"Yes"<<endl;
                       ^