#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <numeric>
#include <math.h>

using namespace std;

#define REP(i,n)	for(int i=0;i<(n);++i)
#define REPS(i,s,t)	for(int i=(s);i<(t);++i)

#define INF 		2000000007
#define MOD			1000000007
#define MAX 		100005


typedef unsigned int 			uint;
typedef unsigned long long int	ull;
typedef long long int ll;

//uint dp[MAX];
int modp(string N ,int p,int mod){
	int tmp = 0;
	for(int i = 0; i < N.size(); i++){
		tmp = (tmp * p + (N[N.size()-i-1]-'0')) % mod;
	}
	return (tmp==0) ? true : false;
}

int main(){
	string N;cin>>N;
	string ans = "";
	if(modp(N,4,3))ans += "Fizz";
	if(modp(N,4,5))ans += "Buzz";
	if(ans=="")ans += N;
	cout << ans << endl;

	return 0;
}