using System;

namespace y
{
    class Program
    {
        static void Main(string[] args)
        {
            string n4 = Console.ReadLine();

            long a = 0;
            long n10 = 0;
            for (int i = n4.Length - 1; i >= 0; i--)
            {
                n10 += (long)((long.Parse(Convert.ToString(n4[i]))) * Math.Pow(4, a));
                a++;
            }

            string ans = "";

            if (n10 % 3 == 0) ans += "Fizz";
            if (n10 % 5 == 0) ans += "Buzz";
            if (ans.Length == 0) ans = n4;

            Console.WriteLine(ans);
        }
    }
}