using System;

​

class BitsInverter

{

    static void Main()

    {

        int n = int.Parse(Console.ReadLine());

        int numStep = int.Parse(Console.ReadLine());

        int [] Byte = new int[n];

        int result=0;

        int countByte = 8;

        int m = 0;

        for (int i = 0; i < n; i++)

        {

            Byte[i] = int.Parse(Console.ReadLine());

        }

        for (int step = 1, k=0,j=0; step<=n*8; step=1+k*numStep)

        {

            m = j;

            int nRightP = Byte[j] >> Math.Abs(step - countByte);

            int bit = nRightP & 1;

            if (bit==1)

            {

                int mask = ~(1 << Math.Abs(step - countByte));

                result = Byte[j] & mask;

                Byte[j] = result;

            }

            else if (bit == 0)

            {

                int mask = 1 << Math.Abs(step - countByte);

                result= Byte[j] | mask;

                Byte[j] = result;

            }

            if (numStep < countByte && (step + numStep) <= countByte)

            {

                k++;

                j=m;

                continue;

            }

            else

            {

                Console.WriteLine(result);

                result = 0;

                k++;

                j++;

            }

            if ((step + numStep) >= countByte && (numStep)<=16)

            {

                countByte += 8;

            }

            else

            {

                if (j<n)

                {

                    Console.WriteLine(result);

                }

                countByte += 16;

                j++;

            }

        }

    }

}