class Dice {
friend ostream & operator << (ostream &, Dice &);
public:
  Dice();
  Dice(int, int);
  ~Dice();
  int get_die1();
  int get_die2();
  void set_die1(int);
  void set_die2(int);
  void set_dice(int, int);
  int sum();
  void roll();
  void init();
private:
  int die1;
  int die2;
};