Azavacak

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            int a, b, c=25;
            GeniusTrappedInIdiotsMind(c, out a, out b);
        }

        static void GeniusTrappedInIdiotsMind(int Number, out int x, out int y)
        {
            if (Number>2) {
                int Temp;
               GeniusTrappedInIdiotsMind(--Number, out y, out Temp);
                x = (4*y)-(4*Temp);
            } else {
                 y=1; x=3;
                Console.WriteLine(y);
            }
            Console.WriteLine(x);
         }
        }
    }