class Creature:
    def __init__(self, health, armor, damage, potion):
        self.maxhealth = health
        self.health = health
        self.armor = armor
        self.damage = damage
        self.potion = potion

    def strike(self, enemy):
        enemy.health -= max(0, self.damage - enemy.armor)

    def drink(self):
        if self.potion > 0:
            self.health += self.potion
        if self.health > self.maxhealth:
            self.health = self.maxhealth

warrior = Creature(1000, 3, 10, 5)

rounds = 0
goblins = 0
while warrior.health > 0:
    goblin = Creature(20, 1, 6, 0)
    while warrior.health > 0 and goblin.health > 0:
        rounds += 1
        if rounds % 5 == 0:
            warrior.drink()
        else:
            warrior.strike(goblin)
            if goblin.health <= 0:
                goblins += 1
        goblin.strike(warrior)
        print('round={}, health={}, goblins={}'.format(rounds, warrior.health, goblins))
print('rounds={}, goblins={}'.format(rounds, goblins))