#!/usr/bin/env python

def conv4to10(n):
    nlist = [int(x) for x in list(str(n))]
    nlist.reverse()
    ans = 0
    for i in range(len(nlist)):
        ans += nlist[i] * 4**i
    return int(ans)

N = int(input())

n4 = conv4to10(N)
if n4 % 3 == 0 and n4 % 5 == 0:
    print('FizzBuzz')
elif n4 % 3 == 0:
    print('Fizz')
elif n4 % 5 == 0:
    print('Buzz')
else:
    print(N)