import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        char rooms;
        Scanner s = new Scanner(System.in);
        System.out.print("If you have a duplex enter \"y\" else enter Quantity of rooms");
        rooms = s.next().charAt(0);//Save the input as char *
        switch (rooms) {//Checking what he input was *
            case 'y':
                System.out.print("You have to pay: " + 200);
                break;
            case '5':
                System.out.print("You have to pay: " + 180);
                break;
            case '4':
                System.out.print("You have to pay: " + 150);
                break;
            case '3':
                System.out.print("You have to pay: " + 120);
                break;
            default://Alert message if the input was Incorrect
                System.out.print("enter room number between 3-5");
        }
    }
}