/in/foo.cc: In function 'int main()':
/in/foo.cc:18:2: error: 'cin' was not declared in this scope
  cin >> n;
  ^~~
/in/foo.cc:18:2: note: suggested alternative: 'main'
  cin >> n;
  ^~~
  main
/in/foo.cc:39:3: error: 'cout' was not declared in this scope
   cout << "Win";
   ^~~~
/in/foo.cc:41:3: error: 'cout' was not declared in this scope
   cout << "Lost";
   ^~~~