/in/foo.cc:6:10: warning: missing terminating " character
  cout << "##### <<endl;
          ^
/in/foo.cc:6:10: error: missing terminating " character
  cout << "##### <<endl;
          ^~~~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:7:2: error: expected primary-expression before 'return'
  return 0;
  ^~~~~~