Convert to Binary to Decimal in C#

class Program

    {

        static void Main(string[] args)

        {

            int n, binary, decml = 0, a = 1, reminder;

            Console.WriteLine("Enter the Binary number which is 0 and 1 format");

            n = int.Parse(Console.ReadLine());

            binary = n;

            while (n > 0)

            {

                reminder = n % 10;

                decml = decml + reminder * a;

                n = n / 10;

                a = a * 2;

            }

            Console.WriteLine("The Binary number is " + binary);

            Console.WriteLine("The Deciaml number is :" + decml);

            Console.WriteLine();

            Console.ReadLine();

        } 

    }

}

output: