# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <tuple>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <bitset>
# include <complex>
# include <chrono>
# include <random>
# include <limits.h>
# include <unordered_map>
# include <unordered_set>
# include <deque>
# include <cstdio>
# include <cstring>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr long long MOD = 1000000000 + 7;
constexpr long long INF = 1e17 - 10;
const double PI = acos(-1);
typedef pair<LL, LL> Pll;
LL n, m, a[1000000] = {}, sum, ans = 0;
bitset<10000>bi[10] = {};
string st[2];
int main() {
	cin >> n;
	m = n;
	bool fb[2] = {}, FF = 1;
	if (n % 3 == 0)fb[0] = 1;
	while (1) {
		if (n != 0) {
			sum += (sum + (FF == 1 ? n % 10 : (n % 10) * 4)) % 5;
			FF = !FF;
			n = n / 10;
		}
		else break;
	}
	if (sum % 5 == 0)fb[1] = 1;
	if (fb[0] == 0 && fb[1] == 0)
		cout << m << endl;
	else
	cout << (fb[0] == 1 ? (fb[1] == 1 ? "FizzBuzz" : "Fizz") : (fb[1] == 1 ? "Buzz" : "")) << endl;
	return 0;
}