def main():
    #N = int(input())
    N = input()
    decimal = int(N, 4)
    if decimal % 15 == 0:
        print("FizzBuzz")
    elif decimal % 3 == 0:
        print("Fizz")
    elif decimal % 5 == 0:
        print("Buzz")
    else:
        print(N)

if __name__ == '__main__':
    main()