#include <bits/stdc++.h>
using namespace std;

bool f(string s, int mod){
    int tmp = 0;
    for(int i = 0; i < s.size(); i++){
        tmp = (tmp * 4 + s[i] - '0') % mod;
    }
    return tmp % mod == 0;
}

int main(){
    string s, ans = "";
    cin >> s;
    if(f(s, 3)) ans += "Fizz";
    if(f(s, 5)) ans += "Buzz";
    if(ans == "") cout << s << endl;
    else cout << ans << endl;
}