from random import randint
death = 0
for x in range(0,10000):
damage = 0
for x in range(0, 3):
attack = randint(1,20)
if attack == 20:
damage += 2*(randint(1,8))+3
elif attack+5 >= 18:
damage += randint(1,8)+3
attack = randint(1,20)
if attack == 20:
damage += 2*(randint(1,6))+3
elif attack+5 >= 18:
damage += randint(1,6)+3
attack = randint(1,20)
if attack == 20:
damage += 2*(randint(1,6))+3
elif attack+5 >= 18:
damage += randint(1,6)+3
if damage >= 24:
death += 1
print death
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