FirstBit

using System;
using System.Collections.Generic;
using System.Linq;

namespace FirstBit
{
    class MainClass
    {
        public static void Main(string[] args)
        {

            int number = int.Parse(Console.ReadLine());
            int mask = 1 << 1;//after shift left with 1 we have 1 value in mask at position 1 another are 0

            int result = (number & mask)>>1;//after shift right with 1 taken last value(0 or 1) because another are 0 using &
            Console.WriteLine(result);
        }
    }
}