using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using System.Text;

public class Program
{

    public void Proc()
    {
        String inpt = Reader.ReadLine();

        int[] list = inpt.Select(a => int.Parse(a.ToString())).ToArray();

        string ans = "";
        if(list.Sum() % 3 == 0) {
            ans = "Fizz";
        }
        if(CanBuzz(inpt)) {
            ans += "Buzz";
        }
        if(ans.Length == 0) {
            ans = inpt.ToString();
        }

        Console.WriteLine(ans);
        
    }

    private bool CanBuzz(string input) {
        if(input.Length == 1 && input[0] == '0') {
            return true;
        }
        string tmp = input;
        while(tmp.Length > 11) {
            long num = long.Parse(tmp.Substring(0, 11));
            num = num % 11;
            tmp = num + tmp.Substring(11);
        }
        if(tmp.Length == 0) {
            return true;
        }
        return long.Parse(tmp) % 11 == 0;
    }

    private int ToDec(int num) {
        int ans = 0;
        if(num == 0) {
            return 0;
        }
        int[] tmp = num.ToString().Select(a => int.Parse(a.ToString())).Reverse().ToArray();
        ans += tmp[0];
        int mul = 4;
        for (int i = 1; i < tmp.Length; i++) {
            ans += mul * tmp[i];
            mul = mul * 4;
        }
        return ans;


    }





    public class Reader
    {
        private static StringReader sr;
        public static bool IsDebug = false;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (sr == null)
                {
                    sr = new StringReader(InputText.Trim());
                }
                return sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }
        private static string InputText = @"

55

";
    }

    public static void Main(string[] args)
    {
#if DEBUG
        Reader.IsDebug = true;
#endif
        Program prg = new Program();
        prg.Proc();
    }
}