using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static long NN => long.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var s = ReadLine();
        var mod = 15;
        var n = 0;
        foreach (var si in s)
        {
            n = (n * 4 + si - '0') % mod;
        }
        if (n == 0) WriteLine("FizzBuzz");
        else if (n % 3 == 0) WriteLine("Fizz");
        else if (n % 5 == 0) WriteLine("Buzz");
        else WriteLine(s);
    }
}