using System;

public class Program

{

    public static void Main()

    {

        int[] arr = new int[6];

        for (int i=0;i<arr.Length;i++)

            arr[i]=i;

        Maxy(0,6,arr);

    }

    public static int Maxy(int begin, int end,int[] arr){

        if (begin==end)

            return arr[begin];

        else

            return Math.Max(Maxy(begin,end/2,arr),Maxy(end/2+1,end,arr));

    }

}