#define _CRT_SECURE_NO_WARNINGS
#include "bits/stdc++.h"
using namespace std;
#define rep(i, n) for(int i=0; i<(n); ++i)
#define FOR(i, m, n) for(int i=(m); i<(n); ++i)
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()
#define mp make_pair
#define pb push_back
#define Cout(x) cout << (x) << endl
#define Cout2(x, y) cout << (x) << " " << (y) << endl
#define dump(x) cerr << #x << " = " << (x) << endl;
typedef long long LL;
typedef vector<int> VI;
typedef vector<LL> VL;
typedef vector<string> VS;
typedef vector<bool> VB;
typedef vector<vector<int>> VVI;
typedef pair<int, int> PII;
const int inf = 1e9;
const double pi = acos(-1.0);

int main() {
	string n; cin >> n;
	reverse(all(n));
	int sum = 0;
	rep(i, sz(n)) {
		sum += (n[i] - '0')*(i % 2 == 0 ? 1 : 4);
	}

	if (sum % 15 == 0) {
		puts("FizzBuzz");
	}
	else if (sum % 3 == 0) {
		puts("Fizz");
	}
	else if (sum % 5 == 0) {
		puts("Buzz");
	}
	else {
		reverse(all(n));
		Cout(n);
	}
}