#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string>
#include<iostream>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include <sstream>
#include<iomanip>
#include <ctype.h>
using namespace std;

//#include<bits/stdc++.h>


int main() {

	string p;
	cin >> p;

	int x = 0, y = 0;
	for (int i = 0; i < p.size(); i++) {

		x = (x * 4 + p[i] - '0') % 3;
		y = (y * 4 + p[i] - '0') % 5;

	}
	if (x == 0)cout << "Fizz";
	if (y == 0)cout << "Buzz";
	if (x&&y)cout << p;
	cout << endl;
		
	return 0;
}