BitsExchange

using System;
using System.Collections.Generic;

    class BitsExchange
    {
        static void Main()
        {
            uint number = uint.Parse(Console.ReadLine());
            int mask, mask2;
            for (int pos = 3; pos < 6; pos++)
            {
                uint tempNumb = (number >> pos) & 1;
                uint tempNumb2 = (number >> pos + 21) & 1;
                if (tempNumb != tempNumb2)
                {
                    mask = 1 << pos + 21;
                    mask2 = 1 << pos;
                    number = number ^ (uint)mask;
                    number = number ^ (uint)mask2;
                }
            }
            Console.WriteLine(number);
        }
    }