#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <stack>
using namespace std;

int main()
{
	string SN; cin >> SN;
	int N = 0;
	for (int i = SN.size()-1; i >= 0; i--) {
		N += (SN[i] - '0') * 1 << (2 * (SN.size() - 1 - i));
	}

	if (N % 15 == 0)cout << "FizzBuzz" << endl;
	else if (N % 3 == 0)cout << "Fizz" << endl;
	else if (N % 5 == 0)cout << "Buzz" << endl;
	else cout << SN << endl;

	return 0;
}