#include <iostream>
#include <vector>
#include <string>
#include <stack>
#include <queue>
#include <algorithm>
#include<math.h>
using namespace std;
int main() {
    string N_4; cin >> N_4;
    int N_10 = 0;
    reverse(N_4.begin(), N_4.end());
    for(int i = 0; i < N_4.size(); i++){
        N_10 = (N_4[i] - '0') * pow(4, i) + N_10;
        }
    if(N_10 % 3 == 0 && N_10 % 5 == 0){
        cout << "FizzBuzz" << endl;
    }else if(N_10 % 3 == 0){
        cout <<  "Fizz" << endl;
    }else if(N_10 % 5 == 0){
        cout <<  "Buzz" << endl;
    }else{
        cout << N_10 << endl;
    }
        return 0;
    }