BitInverter

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

namespace bitsExcange
{
    class bitsExcange
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int step = int.Parse(Console.ReadLine());
            List<int> numbers = new List<int>();
            List<string> binaryNums = new List<string>();
            List<char> charNums = new List<char>();

            for (int i = 0; i < n; i++)
            {
                numbers.Add(int.Parse(Console.ReadLine()));
            }

            for (int i = 0; i < n; i++)
            {
                binaryNums.Add(Convert.ToString(numbers[i], 2).PadLeft(8, '0'));
            }

            for (int i = 0; i < binaryNums.Count; i++)
            {
                foreach (var item in binaryNums[i])
                {
                    charNums.Add(item);
                }
            }

            for (int i = 0; i < charNums.Count; i += step)
            {
                if (charNums[i] == '0')
                {
                    charNums[i] = '1';
                }
                else
                {
                    charNums[i] = '0';
                }
            }

            StringBuilder str = new StringBuilder();

            for (int i = 0; i < charNums.Count; i+=8)
            {
                for (int j = i; j < 8 + i; j++)
                {
                    str.Append(charNums[j]);
                }
                uint res = Convert.ToUInt32(str.ToString(), 2);
                Console.WriteLine(res);
                str.Clear();
            }

        }
    }
}