using System;

​

namespace Username

{

    static class StringHelper

{

    public static string ReverseString(string myStr)

    {

        char[] myArr = myStr.ToCharArray();

        Array.Reverse(myArr);

        return new string(myArr);

    }

}

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Enter the Binary number you want to convert to a Dezimal Number.");

            string bin = Console.ReadLine();

            double erg = 0;

            int hoch = 0;

            bin = StringHelper.ReverseString(bin);

            foreach (char n in bin){ 

            double rech1 = n * 2;

            double rech2 = Math.Pow(rech1, hoch);

            erg = rech2 + erg;

            rech1 = 0;

            rech2 = 0;

​

            hoch++; 

            }

​

            Console.Write("Dezimal:" + erg);

        }

    }

}