#!/usr/bin/env python

N = int(input())

n4 = int(str(N), 4)
if n4 % 3 == 0 and n4 % 5 == 0:
    print('FizzBuzz')
elif n4 % 3 == 0:
    print('Fizz')
elif n4 % 5 == 0:
    print('Buzz')
else:
    print(N)