ExchangesBits

using System;
// Write a program that exchanges bits 3, 4 and 5 with bits 24, 25 and 26 of given 32-bit unsigned integer.

class ExchangesBits
{
    static void Main()
    {
        int firstBits = 56;          // firstBits = 00000000000000000000000000111000
        int secondBits = 117440512; // secondBits = 00000111000000000000000000000000
        int num = int.Parse(Console.ReadLine()); // 83886096; 83886128; 16777272; 56; 78
        int mask1 = 0, mask2 = 0;
        int numConverter = 0;

        Console.WriteLine(Convert.ToString(num, 2).PadLeft(32, '0'));

        mask1 = num & firstBits;
        numConverter |= firstBits;
        mask2 = num & secondBits;
        numConverter |= secondBits;
        num &= (~numConverter);

        mask1 <<= 21;
        mask2 >>= 21;

        mask1 |= mask2;
        num = num | mask1;

        Console.WriteLine(Convert.ToString(num, 2).PadLeft(32, '0'));
    }
}