#include <bits/stdc++.h>
using namespace std;
#define rep(i, j) for(int i=0; i < (int)(j); i++)
#define all(v) v.begin(),v.end()

class Solver {
  public:
    bool solve() {
        string s; cin >> s;
        reverse(all(s));
        int base = 1;
        int ans = 0;
        for(char c : s) {
            int cc = c - '0';
            ans += base * cc;
            base = (base * 4) % 15;
            ans %= 15;
        }
        reverse(all(s));
        cout << (ans == 0 ? "FizzBuzz" : ans % 3 == 0 ? "Fizz" : ans % 5 == 0 ? "Buzz" : s) << endl;
        return 0;
    }
};

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    Solver s;
    s.solve();
    return 0;
}