using System;
namespace test9002
{
    class Program
    {
        static void Main()
        {
            string s = Console.ReadLine();
            var n = int.Parse(s);
            if (n % 3 != 0 && n % 5 != 0)
            {
                Console.WriteLine(n);
            }
            else if (n % 3 == 0 && n % 5 != 0)
            {
                Console.WriteLine("Fizz");
            }
            else if (n % 3 != 0 && n % 5 == 0)
            {
                Console.WriteLine("Buzz");
            }
            else
            {
                Console.WriteLine("FizzBuzz");
            }
        }
    }
}