#include <cmath>
#include <string>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
string s;
int main() {
	cin >> s;
	int res = 0;
	for (int i = 0; i < s.size(); i++) {
		res = res * 4 + (s[i] - 48);
		res %= 15;
	}
	if (res % 15 == 0) cout << "FizzBuzz" << endl;
	else if (res % 3 == 0) cout << "Fizz" << endl;
	else if (res % 5 == 0) cout << "Buzz" << endl;
	else cout << s << endl;
	return 0;
}