using System;

public class Program

{

    public static void Main()

    {

        DerivedClass obj = new DerivedClass();

        obj.fun();

    }

    public class BaseClass

{

    protected int i = 13;

}

​

public class DerivedClass : BaseClass

{

    int i = 9;

    public void fun()

    {

        //add code here...

        Console.WriteLine(i + " " + base.i);

    }

}

}