i = 100
r = 0
s = 0
t = 0

while i < 1000:
    r = i // 100
    s = (i - r * 100) // 10
    t = i - r * 100 - s * 10
    if i == (r ** 3 + s ** 3 + t ** 3):
        print("水仙花数为", str(i))
    i += 1
    pass

for i in range(100, 1000):
    r = i // 100
    s = (i - r * 100) // 10
    t = i - r * 100 - s * 10
    if i == (r ** 3 + s ** 3 + t ** 3):
        print("水仙花数为", str(i))