#include <iostream>

int main()
{
  int total;
  char conti;
  
  do
  {
    cout << "Total? ";
    cin >> total;
  
    switch (total)
    {
      case 7:
      case 11:
        cout << "You win!" << endl;
        break;
      case 2:
      case 3:
      case 12:
        cout << "You lose!" << endl;
        break;
    }
    
    cout << "Continue? (y/n): ";
    cin >> conti;
    
  } while (conti != 'n');
  
  return 0;
}

/*
Total? 7
You win!
Continue? (y/n): y
Total? 3
You lose!
Continue? (y/n): n
*/