#include <iostream>
#include <math.h>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#define REP(i,n) for(int i=0;i<n;i++)
typedef long long ll;

using namespace std;
int kaijo(int n){
	int ans = 1;
	if (n != 0){
		for (int i = 0; i < n; i++){
			ans *= (n - i);
		}
	}
	else{
		ans = 1;
	}
	return ans;
}

int main(){
	string s;
	int n;
	int k;
	ll a = 0;
	cin >> s;
	n = s.size();
	REP(i, n){
		k = s[i]-'0';
		a += k*pow(4, n-i-1);
	}
	//cout << a << endl;
	if (a % 3 == 0 && a % 5 == 0){
		cout << "FizzBuzz" << endl;
	}
	else if (a % 3 == 0){
		cout << "Fizz" << endl;
	}
	else if(a%5==0){
		cout << "Buzz" << endl;
	}
	else{
		cout << s << endl;
	}
	return 0;
}