#H/W
#1
#Женя, Вася
D = {'Женя': 89, 'Вася': 100, 'Марк': 71, 'Мария': 79}
f = list(filter(lambda x: D[x] > 80, D))
print(f)

#2
L = map(int, input().split())
f = list(map(lambda x: x**3, L))
print(f)
#[8, 64, 216, 512, 1000]

#3
L = map(int, input().split())
f = list(filter(lambda x: x < 0, L))
print(f)
#[-1, -7, -8, -10]

#4
from functools import reduce
L1 = [1, 2, 3, 4, 5, 6, 7, 8]
f = reduce(lambda x, y: x * y, L1)
print(f)
#40320

#5

L1 = map(int, input().split())
# L2 = (i**2 for i in L1)
f = filter(lambda x: ((x ** 2) % 9) == 0, L1)
g = max(f)
print((g))
#6