#include "bits/stdc++.h"

using namespace std;

using ll = long long int;
using ld = long double;

using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;
using vd = vector<double>;
using vvd = vector<vd>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vs = vector<string>;

const int INF = (1 << 30) - 1;
const ll INF64 = ((ll)1 << 62) - 1;
const double PI = 3.1415926535897932384626433832795;

const int dx[] = { -1, 0, 1, 0 };
const int dy[] = { 0, 1, 0, -1 };

int gcd(int x, int y) { return y ? gcd(y, x % y) : x; }
ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; }
int lcm(int x, int y) { return x / gcd(x, y) * y; }
ll lcm(ll x, ll y) { return x / gcd(x, y) * y; }

bool check(string s, ll p, ll mod) {
	ll tmp = 0;
	for (int i = 0; i < s.size(); i++) {
		ll v = s[i] - '0';
		tmp = (tmp * p + v) % mod;
	}

	return tmp == 0;
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	string s;
	cin >> s;

	bool a = check(s, 4LL, 3LL);
	bool b = check(s, 4LL, 5LL);

	if (a && b) {
		cout << "FizzBuzz" << endl;
	} else if (a) {
		cout << "Fizz" << endl;
	} else if (b) {
		cout << "Buzz" << endl;
	} else {
		cout << s << endl;
	}
	return 0;
}