interface Service { 

    void setDetails(); 

    int getTotalCost(); 

    boolean getStatus(); 

} 

interface Room { 

    int getRate(); 

    void setDetails(int rate, boolean wifi, boolean status); 

    boolean getStatus(); 

    boolean getWifi(); 

    void changeStatus(); 

} 

abstract class AbstractRoom implements Room { 

    protected int rate; 

    protected boolean wifi; 

    protected boolean status; 

 

    public int getRate() { 

        return rate; 

    } 

 

    public void setDetails(int rate, boolean wifi, boolean status) { 

        this.rate = rate; 

        this.wifi = wifi; 

        this.status = status; 

    } 

 

    public boolean getStatus() { 

        return status; 

    } 

 

    public boolean getWifi() { 

        return wifi; 

    } 

 

    public void changeStatus() { 

        this.status = !this.status; 

    } 

} 

class StandardRoom extends AbstractRoom { 

    public StandardRoom() { 

        this.rate = 5000; 

        this.wifi = false; 

        this.status = true; 

    } 

} 

class DeluxeRoom extends AbstractRoom { 

    public DeluxeRoom() { 

        this.rate = 7000; 

        this.wifi = true; 

        this.status = true; 

    } 

} 

class SuperDeluxeRoom extends AbstractRoom { 

    public SuperDeluxeRoom() { 

        this.rate = 9000; 

        this.wifi = true; 

        this.status = true; 

    } 

} 

class LaundryService implements Service { 

    private int type; 

    private int cost; 

    private int quantity; 

    private boolean status; 

 

    public LaundryService() { 

        this.type = 0; 

        this.cost = 0; 

        this.quantity = 0; 

        this.status = false; 

    } 

 

    @Override 

    public void setDetails() { 

        Scanner in = new Scanner(System.in); 

        System.out.println("Enter type of wash (1/2/3): "); 

        type = in.nextInt(); 

        System.out.println("Enter quantity of clothes: "); 

        quantity = in.nextInt(); 

 

        if (type == 1) 

            cost = 100; 

        else if (type == 2) 

            cost = 200; 

        else if (type == 3) 

            cost = 300; 

        else 

            cost = 0; 

 

        status = true; 

    } 

 

    @Override 

    public int getTotalCost() { 

        return quantity * cost; 

    } 

 

    @Override 

    public boolean getStatus() { 

        return status; 

    } 

} 

class TransportationService implements Service { 

    private int type; 

    private int cost; 

    private int quantity; 

    private boolean status; 

 

    public TransportationService() { 

        this.type = 0; 

        this.cost = 0; 

        this.quantity = 0; 

        this.status = false; 

    } 

 

    @Override 

    public void setDetails() { 

        Scanner in = new Scanner(System.in); 

        System.out.println("Enter type of transportation (1/2/3): "); 

        type = in.nextInt(); 

        System.out.println("Enter number of people: "); 

        quantity = in.nextInt(); 

 

        if (type == 1) 

            cost = 100; 

        else if (type == 2) 

            cost = 200; 

        else if (type == 3) 

            cost = 300; 

        else 

            cost = 0; 

 

        status = true; 

    } 

 

    @Override 

    public int getTotalCost() { 

        return quantity * cost; 

    } 

 

    @Override 

    public boolean getStatus() { 

        return status; 

    } 

} 

public class HRS_Main { 

    private Room room; 

    private List<Service> services; 

 

    public HRS_Main(Room room) { 

        this.room = room; 

        this.services = new ArrayList<>(); 

    } 

 

    public void addService(Service service) { 

        services.add(service); 

    } 

 

    public double calculateTotalCost() { 

        double totalCost = room.getRate(); 

        for (Service service : services) { 

            totalCost += service.getTotalCost(); 

        } 

        double gst = totalCost * 0.18; 

        return totalCost + gst; 

    } 

 

    public static void main(String[] args) { 

        Scanner sc = new Scanner(System.in); 

        Room room = null; 

 

        System.out.println("Select room type (1: Standard, 2: Deluxe, 3: Super Deluxe): "); 

        int roomType = sc.nextInt(); 

        switch (roomType) { 

            case 1: 

                room = new StandardRoom(); 

                break; 

            case 2: 

                room = new DeluxeRoom(); 

                break; 

            case 3: 

                room = new SuperDeluxeRoom(); 

                break; 

            default: 

                System.out.println("Invalid room type selected."); 

                System.exit(0); 

        } 

 

        HRS_Main booking = new HRS_Main(room); 

 

        System.out.println("Do you want laundry service? (Y/N): "); 

        char laundryOption = sc.next().charAt(0); 

        if (laundryOption == 'Y' || laundryOption == 'y') { 

            Service laundryService = new LaundryService(); 

            laundryService.setDetails(); 

            booking.addService(laundryService); 

        } 

 

        System.out.println("Do you want transportation service? (Y/N): "); 

        char transportOption = sc.next().charAt(0); 

        if (transportOption == 'Y' || transportOption == 'y') { 

            Service transportationService = new TransportationService(); 

            transportationService.setDetails(); 

            booking.addService(transportationService); 

        } 

 

        double totalCost = booking.calculateTotalCost(); 

        System.out.println("Total cost: " + totalCost); 

 

        System.out.println("**********Thank you for your visit.**********\n**********We hope to see you again!**********"); 

    } 

}