using System;
class BitsExchange
{
    static void Main()
    {
        Console.WriteLine("Please enter the number");
        uint number = uint.Parse(Console.ReadLine());
        Console.WriteLine("Number in binary");
        Console.WriteLine(Convert.ToString(number, 2).PadLeft(32, '0'));

        int firstBitsGroupPosition = 3;//position 3,4,5
        int secondBitsGroupPosition = 24;//position 24,25,26

        uint firstBitsGroupPositionMask = 7u << firstBitsGroupPosition;
        uint secondBitsGroupPositionMask = 7u << secondBitsGroupPosition;

        uint getFirstGroupBits = firstBitsGroupPositionMask & number;
        uint getSecondGroupBits = secondBitsGroupPositionMask & number;

        uint newMask = (getFirstGroupBits >> firstBitsGroupPosition) ^ (getSecondGroupBits >> secondBitsGroupPosition);/* we use the ^ to create new mask and use to excange bits */

        uint newNumber = ((newMask << firstBitsGroupPosition) ^ number);
        newNumber = ((newMask << secondBitsGroupPosition) ^ newNumber);
        Console.WriteLine(Convert.ToString(newNumber, 2).PadLeft(32, '0'));
        Console.WriteLine(newNumber);
    }
}