n=int(input())
l=[int(x) for x in str(n)]
sum=0
def test(sum):
    for i in range(len(l)):
        sum+=l[i]*4**i
    if sum%15==0:
        return "FizzBuzz"
    elif sum%3==0:
        return "Fizz"
    elif sum%5==0:
        return "Buzz"
    else:
        return n
print(test(sum))