from re import X


def is_5_divisor_base_4(num_base4: str) -> bool:
    odd_sum = sum(map(int, list(num_base4)[::2]))
    even_sum = sum(map(int, list(num_base4)[1::2]))
    return (odd_sum - even_sum) % 5 == 0


def is_3_divisor_base_4(num_base4: str) -> bool:
    return sum(map(int, list(num_base4))) % 3 == 0


def main():
    N = input()
    printed = False
    if is_3_divisor_base_4(N):
        print("Fizz", end="")
        printed = True
    if is_5_divisor_base_4(N):
        print("Buzz", end="")
        printed = True

    if not printed:
        print(N, end="")
    print()


if __name__ == "__main__":
    main()