Run ID: 50921

Main.cc: In function ‘int main()’:
Main.cc:5:10: error: ‘cin’ is not a member of ‘std’
     std::cin >> a >> b >> c;
          ^~~
Main.cc:8:10: error: ‘cout’ is not a member of ‘std’
     std::cout << std::setw(7) << a << " " 
          ^~~~
Main.cc:8:23: error: ‘setw’ is not a member of ‘std’
     std::cout << std::setw(7) << a << " " 
                       ^~~~
Main.cc:9:23: error: ‘setw’ is not a member of ‘std’
               << std::setw(7) << b << " " 
                       ^~~~
Main.cc:10:23: error: ‘setw’ is not a member of ‘std’
               << std::setw(7) << c << std::endl;
                       ^~~~
Main.cc:10:44: error: ‘endl’ is not a member of ‘std’
               << std::setw(7) << c << std::endl;
                                            ^~~~