using System;

public class Program

{

    class Employee

    {

        public virtual double CalcPay()

        {

            Console.WriteLine("Employee.CalcPay()");

            return 5.0d;

        }

    }

    class Salaried_Employee : Employee

    {

        public double BaseSalary { get; set; }

        public override double CalcPay()

        {

            base.CalcPay();

            Console.WriteLine("Salaried_Employee.CalcPay()");

            return 5.0d;

        }

    }

    class Hourly_Employee : Employee

    {

        public double HourlyRate { get; set; }

        public double CalcPay(int hours)

        {

            base.CalcPay();

            Console.WriteLine("Hourly_Employee.CalcPay()");

            return 5.0d;

        }

    }

    public static void Main()

    {

        var sEmployee = new Salaried_Employee();

        Console.WriteLine(sEmployee.CalcPay());

        var hEmployee = new Hourly_Employee();

        Console.WriteLine(hEmployee.CalcPay(3));

    }

}