#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define int long long
using namespace std;

int change_to_10(string s){
    int k = 0;
    for(int i = 0; i < s.size(); i++){
        k = k * 4 + (s[i] - '0');
    }
    return k;
}

string solve2(string s){
    int n = change_to_10(s);
    string res = "";
    if(n % 3 == 0) res += "Fizz";
    if(n % 5 == 0) res += "Buzz";
    if(res == "") res = s;
    return res;
}

signed main(){
    string s;
    cin >> s;
    cout << solve2(s) << endl;
}