#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define INF 1200000000

using namespace std;

typedef pair<int, int> P;
typedef long long int LL;

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

    int n;
    for (int i = 0; i < s.size(); i++) {
        n += (int)pow(4, s.size() - 1 - i) * (s[i] - '0');
    }

    if (n % 3 == 0 && n % 5 == 0) {
        cout << "FizzBuzz" << endl;
    } else if (n % 3 == 0) {
        cout << "Fizz" << endl;
    } else if (n % 5 == 0) {
        cout << "Buzz" << endl;
    } else {
        cout << s << endl;
    }

    return 0;
}