fte,pte

using System;

// Base class
class Employee
{
    public string Name { get; set; }
    public int EmployeeID { get; set; }
    public double Salary { get; set; }

    public Employee(string name, int id)
    {
        Name = name;
        EmployeeID = id;
    }

    // Virtual method to be overridden in derived classes
    public virtual void CalculateSalary()
    {
        Salary = 0;
    }

    public void Display()
    {
        Console.WriteLine("Employee Name: " + Name);
        Console.WriteLine("Employee ID: " + EmployeeID);
        Console.WriteLine("Salary: " + Salary);
        Console.WriteLine("-----------------------------");
    }
}

// Derived class: FullTimeEmployee
class FullTimeEmployee : Employee
{
    public double BasicSalary { get; set; }
    public int NumberOfDays { get; set; }
    public double HRA { get; set; }
    public double DA { get; set; }

    public FullTimeEmployee(string name, int id, double basic, int days, double hra, double da)
        : base(name, id)
    {
        BasicSalary = basic;
        NumberOfDays = days;
        HRA = hra;
        DA = da;
    }

    public override void CalculateSalary()
    {
        Salary = (BasicSalary * NumberOfDays) + HRA + DA;
    }
}

// Derived class: PartTimeEmployee
class PartTimeEmployee : Employee
{
    public double DailyWages { get; set; }
    public int NumberOfDays { get; set; }

    public PartTimeEmployee(string name, int id, double wages, int days)
        : base(name, id)
    {
        DailyWages = wages;
        NumberOfDays = days;
    }

    public override void CalculateSalary()
    {
        Salary = DailyWages * NumberOfDays;
    }
}

// Main Program
class Program
{
    static void Main()
    {
        // Create Full-Time Employee
        FullTimeEmployee fte = new FullTimeEmployee("Alice", 101, 1000, 22, 500, 300);
        fte.CalculateSalary();
        fte.Display();

        // Create Part-Time Employee
        PartTimeEmployee pte = new PartTimeEmployee("Bob", 102, 500, 15);
        pte.CalculateSalary();
        pte.Display();

        Console.ReadLine();
    }
}