using System;

public class Program
{
  static void Main()
  {
    int N = Convert.ToInt32(Console.ReadLine());

    if (N % 3 == 0 && N % 5 != 0)
    {
      Console.WriteLine("Fizz");
    }
    else if (N % 5 == 0 && N % 3 != 0)
    {
      Console.WriteLine("Buzz");
    }
    else if (N % 3 == 0 && N % 5 == 0)
    {
      Console.WriteLine("FizzBuzz");
    }
    else
    {
      Console.WriteLine(N.ToString());
    }
  }
}