/* -*- coding: utf-8 -*-
 *
 * 593.cc: No.593 4進FizzBuzz - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  string s;
  cin >> s;

  int m3 = 0, m5 = 0;
  for (int i = 0; i < s.size(); i++) {
    int d = s[i] - '0';
    m3 = (m3 * 4 + d) % 3;
    m5 = (m5 * 4 + d) % 5;
  }

  if (m3 == 0 && m5 == 0) puts("FizzBuzz");
  else if (m3 == 0) puts("Fizz");
  else if (m5 == 0) puts("Buzz");
  else cout << s << endl;
  return 0;
}