using System;

public class helper

{

    public int recurse(int x, int y)

    {

        Console.WriteLine("X: " + x + " Y: " + y);

        if (x < 0 || y < 0)

            return x + y;

        if (x % 2 == 0)

        {

            Console.WriteLine("Spur");  

            return x;

        }

        int result = recurse(x - 1, y + 1);

        Console.WriteLine("result: {0}", result);

        int result2 = recurse(x - 2, y + 1);

        Console.WriteLine("result2: {0}", result2);

        return result + result2;

    }

    public static void Main()

    {

        helper p = new helper();

        Console.WriteLine(p.recurse(3, 5));

    }

}