using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        foreach(int x in Enumerable.Range(0, 100))

            calculate_Fizz_recursion(x, x % 15);

    }

    public static void calculate_Fizz_recursion(int n, int x = 0)

    {

        //Console.WriteLine(x);

        x += 1;

        if ((n = n + 1 ) >= 101) return;

        if ((x & 1) == 0)

        {

            if (x == 6)

                Console.WriteLine("Fizz");

            else if (x == 10)

                Console.WriteLine("Buzz");

            else if (x == 12)

                Console.WriteLine("Fizz");

            else

                Console.WriteLine(n);

        }

        else

        {

            switch (x)

            {

                case 1:

                    Console.WriteLine(n);

                    break;

                case 3:

                    Console.WriteLine("Fizz");

                    break;

                case 5:

                    Console.WriteLine("Buzz");

                    break;

                case 7:

                    Console.WriteLine(n);

                    break;

                case 9:

                    Console.WriteLine("Fizz");

                    break;

                case 11:

                    Console.WriteLine(n);

                    break;

                case 13:

                    Console.WriteLine(n);

                    break;

                case 15:

                    Console.WriteLine("FizzBuzz");

                    break;

                default:

                    Console.WriteLine(n);

                    break;

            }

        }

        if (n == 15) n = 0;     

        //do_a_thing_helper(n, x);

    }

}