Mobile Operator

import java.util.Scanner;

public class demo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String period = scanner.nextLine();
        String type = scanner.nextLine();
        String internet = scanner.nextLine();
        int months = Integer.parseInt(scanner.nextLine());

        double price = 0;

        if(period.equals("one")){
            if(type.equals("Small")){
                price = 9.98;
            }else if(type.equals("Middle")){
                price = 18.99;
            }else if(type.equals("Large")){
                price = 25.98;
            }else if(type.equals("ExtraLarge")){
                price = 35.99;
            }
        }else{
            if(type.equals("Small")){
                price = 8.58;
            }else if(type.equals("Middle")){
                price = 17.09;
            }else if(type.equals("Large")){
                price = 23.59;
            }else if(type.equals("ExtraLarge")){
                price = 31.79;
            }
        }
        if(internet.equals("yes")){
            if(price <= 10){
                price += 5.50;
            }else if(price <= 30){
                price += 4.35;
            }else{
                price += 3.85;
            }
        }
        if(period.equals("two")){
            price = price - (price * 0.0375);
        }

        double totalPrice = price * months;

        System.out.printf("%.2f lv.", totalPrice);
    }
}