задача 13

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

namespace zad_13
{
    class zad13
    {
        static void Main(string[] args)
        {
            Console.Write("Enter the nomber  - n : ");
            long n = long.Parse(Console.ReadLine());

            if ((n >= Int32.MinValue) && (n <= Int32.MaxValue))
            {

                Console.Write("Enter the position  - p : ");
                int p = int.Parse(Console.ReadLine());

                if ((p >= 0) && (p <= 31))
                {

                    long n1 = n & (1 << p);

                    if (n1 == 0)
                    {
                        n = n | (1 << p);
                        Console.WriteLine("New nomber -n = " + n);
                    }
                    else
                    {
                        n = n ^ (1 << p);
                        Console.WriteLine("New nomber -n = " + n);
                    }
                }
                else
                {
                    Console.WriteLine("Enter a value in the range:" + "0" + "...." + "31");
                }
            }
            else
            {
                Console.WriteLine("Enter a value in the range : " + Int32.MinValue + "...." + Int32.MaxValue);
            }


        }
    }
}