#include <iostream>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>
#include <utility>
#include <queue>
#include <set>
#include <map>

using namespace std;
typedef  long long ll;
typedef pair<int,int> PII;
typedef vector<int> VI;
typedef vector<VI> VVI;
#define  MP make_pair
#define  PB push_back
#define inf  1000000007

int main(){
	string s;
	cin >> s;
	int n = s.size();
	int x=0,y=0;
	for(int i=0;i<n;i++){
		x += s[i]-'0';
		if(i%2==0){
			y += s[i]-'0';
		}else{
			y -= s[i]-'0';
		}
	}	
	bool flag = 0;
	if(x%3==0){
		flag = 1;
		cout << "Fizz";
	}
	if((40000000+y)%5==0){
		flag = 1;
		cout << "Buzz";
	}
	if(!flag){
		cout << s;
	}
	cout << endl;
	return 0;
}