class C(Object):
    def __init__ (self, name, hp, atk):
        self._name = name
        self._hp = hp
        self._dead = False
        self._atk = atk

    def Hit (self, damage):
        self._hp -= damage
        print "%s was hit for %d damage!" % (self._name, damage)
        if self._hp < 1:
            self._dead=True

    def Attack (self, target):
        print "%s attacks %s!" % (self._name, target._name)
        target.Hit(self._atk)

    def IsDead (self):
        if self._dead == True:
            print "%s has been slain!" % self._name
        return self._dead

class Game(Object):
    def __init__ (self, guy1, guy2):
        self._p1 = guy1
        self._p2 = guy2

    def Fight(self):
        while True:
            guy1.Attack(guy2)
            print "\n"
            if guy2.IsDead():
                return 0

            guy2.Attack(guy1)
            print "\n"
            if guy1.IsDead():
                return 0


guy1 = C("Mike Tyson", 500, 50)
guy2 = C("Stephen Hawking", 100, 1)
myGame = Game(guy1, guy2)
myGame.Fight()