using System;

​

class employee

{

public string first_name;

public string last_name;

public string email_address;

  public void print_fullname()

  {

      Console.WriteLine("the fullname of the employee is {0} {1}",this.first_name,this.last_name);

  }

}

​

class parttime_employee:employee

{

   public int hourly_rate;

}

​

class fulltime_employee:employee

{

​

    public int monthly_salary;

}

public class Program

{

    public static void Main()

    {

      fulltime_employee fpe=new fulltime_employee();

      employee emp=new employee();

      emp.first_name="salvi";

        emp.last_name="maruf";

        emp.print_fullname();

    }

}