using System;

​

public delegate void agent_delegate();

​

public class outlook_publisher

{

    public event agent_delegate publish;

    public void trigger()

    {

        Console.WriteLine("Enter the day");

        string day = Console.ReadLine();

        if(day=="Saturday")

        {

            publish();

        }

    }

}

​

public class reader_subscriber

{

    public void subscribe(outlook_publisher issue)

    {

        agent_delegate adel = new agent_delegate(getCopy);

        issue.publish+=adel;

    }

    public void getCopy()

    {

        Console.WriteLine("Reading the outlook magazine");

    }

}

public class Program

{

    public static void Main()

    {

        reader_subscriber ramya = new reader_subscriber();

        outlook_publisher magazine = new outlook_publisher();

        ramya.subscribe(magazine);

        magazine.trigger();

    }

}