#include <bits/stdc++.h>
using namespace std;

template <typename T>
T gcd(T x, T y)
{
    if (y == 0)
        return x;
    return gcd(y, x % y);
}

template <typename T>
T lcm(T x, T y)
{
    if (x == 0 || y == 0)
        return 0;
    return x / gcd(x, y) * y;
}

bool hoge(string N, int mod)
{
    int n = N.size();
    int val = 0;
    for (int i = 0; i < n; i++)
        val = (val * 4 + (N[i] - '0')) % mod;
    return val % mod == 0;
}

int main()
{
    string N;
    cin >> N;
    string ans = "";
    if (hoge(N, 3))
        ans += "Fizz";
    if (hoge(N, 5))
        ans += "Buzz";
    if (ans == "")
        cout << N << endl;
    else
        cout << ans << endl;
}