def to_decimal(n, b):
    res = 0
    cnt = 0
    while n > 0:
        res += (n % 10) * pow(b, cnt)
        n //= 10
        cnt += 1
    return res


if __name__ == '__main__':
    N = int(input())
    dec = to_decimal(N, 4)
    if dec % 15 == 0:
        print('FizzBuzz')
    elif dec % 3 == 0:
        print('Fizz')
    elif dec % 5 == 0:
        print('Buzz')
    else:
        print(N)