# -*- coding: utf-8 -*-
"""
No.593 4進FizzBuzz
https://yukicoder.me/problems/no/593

"""
import sys
from sys import stdin
input = stdin.readline


def solve(s):
    ans = s
    n = int(s, 4)
    if n % 3 == 0:
        if n % 5 == 0:
            ans = 'FizzBuzz'
        else:
            ans = 'Fizz'
    elif n % 5 == 0:
        ans = 'Buzz'
    return ans


def main(args):
    s = input().strip()
    ans = solve(s)
    print(ans)


if __name__ == '__main__':
    main(sys.argv[1:])