using System;

public class Program

{

    public static void Main()

    {

        /*You can store any type of value in the dynamic data type variable. 

        Type checking for these types of variables takes place at run-time.*/

        dynamic d = 20;

        if (d is int)

        { 

            Console.WriteLine("d is integar and vlaue of d is {0}", d);

        }

        d = "Nirnay";

        if (d is string)

        {

            Console.WriteLine("d is string and value of d is {0}", d);

        }

    }

}