WiggleWiggle

using System;

public class WiggleWiggle
{
    static void Main()
    {
        string input = Console.ReadLine();
        string[] inputTokens = input.Split(' ');

        // we will need this later - a number that has 63 ones
        long reverseMask = long.MaxValue;

        // we increment the index with 2, so that we read the numbers in pairs
        for (int i = 0; i < inputTokens.Length; i += 2)
        {
            long firstNumber = long.Parse(inputTokens[i]);
            long secondNumber = long.Parse(inputTokens[i + 1]);

            // bitIndex is also incremented by 2 - this way we only check the bits at even positions
            for (int bitIndex = 0; bitIndex < 63; bitIndex += 2)
            {
                // formula that will obtain the bit at the current position (bitIndex)
                long currentBitFirstNumber = (firstNumber >> bitIndex) & 1;
                long currentBitSecondNumber = (secondNumber >> bitIndex) & 1;

                // if bits are not the same, switch them using XOR
                // bit | mask | result
                //  0  ^  1  =  1
                //  1  ^  1  =  0
                if (currentBitFirstNumber != currentBitSecondNumber)
                {
                    long mask = 1L << bitIndex;
                    firstNumber = firstNumber ^ mask;
                    secondNumber = secondNumber ^ mask;
                }
            }

            // reverse every single bit
            firstNumber = firstNumber ^ reverseMask;
            secondNumber = secondNumber ^ reverseMask;

            // we are ready with the numbers - print them and continue with the next iteration
            Console.WriteLine("{0} {1}", firstNumber, Convert.ToString(firstNumber, 2).PadLeft(63, '0'));
            Console.WriteLine("{0} {1}", secondNumber, Convert.ToString(secondNumber, 2).PadLeft(63, '0'));
        }
    }
}