Problem 5 – Pillars test 1 fail

using System;

class Pillars
{
    static void Main()
    {
        byte[] input = new byte[8];
        byte[] sumArrey = new byte[8];





        for (int i = 0; i < input.Length; i++)
        {
            input[i] = byte.Parse(Console.ReadLine());

            for (int n = 0; n < input.Length; n++)
            {


                int mask = 1 << n;
                int m = input[i] & mask;
                if (m != 0)
                {
                    sumArrey[n]++;
                }

            }
        }

        Array.Reverse(sumArrey);

        int sum = 0;


        for (int i = 0; i < sumArrey.Length; i++)
        {
            sum += sumArrey[i];

        }
        int sumleft = 0;
        int position = 0;

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

            int sumright = sum - sumleft - sumArrey[i];

            if (sumright == sumleft)
            {
                position = i;
                break;
            };
            sumleft += sumArrey[i];
        }
        if (position == 0)
        {
            Console.WriteLine("No");
        }
        else
        {
            Console.WriteLine(7-position);
            Console.WriteLine(sumleft);
        }

    }
}