Wiggle Wiggle - 100/100

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

namespace WiggleWiggle
    {
    class WiggleWiggle
        {
        static void Main()
            {
            //input
            string[] inputNumbers = Console.ReadLine().Split(' ');
            long[] numbers = new long[inputNumbers.Length];
            for (int i = 0; i < inputNumbers.Length; i++)
                {
                numbers[i] = long.Parse(inputNumbers[i]);
                }
            //Calculation
            for (int i = 0; i < inputNumbers.Length; i += 2)
                {
                long bitOnEvenPositionFirstN = 0;
                long bitOnEvenPositionSecondN = 0;
                //long evenBitsFirstNumber = 0;
                //long evenBitsSecondNumber = 0;
                for (int j = 0; j < 64; j += 2)
                    {
                    bitOnEvenPositionFirstN = 1L & (numbers[i] >> (j));
                    bitOnEvenPositionSecondN = 1L & (numbers[i + 1] >> (j));
                    if (bitOnEvenPositionFirstN == bitOnEvenPositionSecondN)
                        {
                        continue;
                        }
                    else
                        {
                        if (bitOnEvenPositionFirstN > 0)
                            {
                            numbers[i] &= ~(bitOnEvenPositionFirstN << j);
                            numbers[i + 1] |= bitOnEvenPositionFirstN << j;
                            }
                        else
                            {

                            numbers[i + 1] &= ~(bitOnEvenPositionSecondN << j);
                            numbers[i] |= bitOnEvenPositionSecondN << j;
                            }
                        }
                    }
                numbers[i] = ~numbers[i];
                numbers[i+1] = ~numbers[i+1];
                numbers[i] ^= 1L << 63;
                numbers[i+1] ^= 1L << 63;
                //Output
                Console.WriteLine($"{numbers[i]} {Convert.ToString(numbers[i], 2).PadLeft(63, '0')}");
                Console.WriteLine($"{numbers[i + 1]} {Convert.ToString(numbers[i + 1], 2).PadLeft(63, '0')}");
                }

            }
        }
    }