import string
import sys
from itertools import accumulate
from typing import List, Tuple


def int1(x: str, /): return int(x) - 1


def input(): return sys.stdin.readline().rstrip('\n')


def dbg(*args, **kwargs):
    print(*(repr(arg) for arg in args), *(f'{k}: {repr(v)}' for k, v in kwargs.items()), sep='; ', file=sys.stderr)


def main():
    z = input()
    fizz = sum(map(int, z)) % 3 == 0
    buzz = sum((-int(v) if i % 2 == 0 else +int(v)) for i, v in enumerate(z)) % 5 == 0

    if fizz and buzz:
        return 'FizzBuzz'
    elif fizz:
        return 'Fizz'
    elif buzz:
        return 'Buzz'
    else:
        return z


def _start():
    ret = main()

    if ret is not None:
        if isinstance(ret, List) or isinstance(ret, Tuple):
            print(*ret)
        else:
            print(ret)


if __name__ == '__main__':
    _start()