using System;

​

class Person{

    public Person(){

        Console.WriteLine("Person born");

    }

    ~Person(){

        Console.WriteLine("Person died");

    }

}

class Student : Person{

    public Student(){

        Console.WriteLine("Student is enrolled");

    }

    ~Student(){

        Console.WriteLine("Student is expelled");

    }

}

​

public class Program

{

    public static void Main()

    {

        Student s = new Student();

    }

}