#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; ++i)
typedef long long ll;
using namespace std;

int main() {
    string S;
    cin >> S;

    auto f = [&](int mod) -> bool {
        int cur = 0;
        for (char c : S) {
            cur = (cur * 4 + c - '0') % mod;
        }
        return cur == 0;
    };

    string ans = "";
    if (f(3)) ans += "Fizz";
    if (f(5)) ans += "Buzz";
    if (ans == "")
        cout << S;
    else
        cout << ans;
    cout << endl;

    return 0;
}