def main():
    N = int(input())

    three = 3
    five = 11
    ffive = 33
    ans = ''
    if not N % ffive:
        ans = 'FizzBuzz'
    elif not N % five:
        ans = 'Buzz'
    elif not N % three:
        ans = 'Fizz'
    else:
        ans = N

    print(ans)

main()