EXAM 2-3 MAY 2019 03.Mobile Operator

import java.util.Scanner;

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

        String contractLength = scanner.nextLine();
        String contractType = scanner.nextLine();
        String addonInet = scanner.nextLine();
        int months = Integer.parseInt(scanner.nextLine());

        double price = 0;

        if (contractLength.equals("one")) {
            switch (contractType) {
                case "Small":
                    price = 9.98;
                    break;
                case "Middle":
                    price = 18.99;
                    break;
                case "Large":
                    price = 25.98;
                    break;
                case "ExtraLarge":
                    price = 35.99;
                    break;
            }
        }
        else
        {
            switch (contractType)
            {
                case "Small":
                    price = 8.58;
                    break;
                case "Middle":
                    price = 17.09;
                    break;
                case "Large":
                    price = 23.59;
                    break;
                case "ExtraLarge":
                    price = 31.79;
                    break;
            }
        }

        if (addonInet.equals("yes")) {
            if (price <= 10) {
                price += 5.50;
            }
            else if (price > 10 && price <= 30) {
                price += 4.35;
            }
            else if (price > 30) {
                price += 3.85;
            }
        }
        price *= months;
        if (contractLength.equals("two")) {
            price -= price * 0.0375;
        }
        System.out.printf("%.2f lv.", price);
    }
}