03.Mobile Operator

import java.util.Scanner;

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

        String DurationOfContract = scanner.nextLine();
        String TypeOfContract = scanner.nextLine();
        String AddedInternet = scanner.nextLine();
        int PayingMonths = Integer.parseInt(scanner.nextLine());

        double price = 0;

        if (DurationOfContract.equals("one")) {
            if (TypeOfContract.equals("Small")) {
                if (AddedInternet.equals("yes")) {
                    price = (9.98 + 5.50) * PayingMonths;
                    System.out.printf("%.2f lv.%n", price);
                } else if (AddedInternet.equals("no")) {
                    price = 9.98 * PayingMonths;
                    System.out.printf("%.2f lv.%n", price);
                }
            } else if (TypeOfContract.equals("Middle")) {
                if (AddedInternet.equals("yes")) {
                    price = (18.99 + 4.35) * PayingMonths;
                    System.out.printf("%.2f lv.%n", price);
                } else if (AddedInternet.equals("no")) {
                    price = 18.99 * PayingMonths;
                    System.out.printf("%.2f lv.%n", price);
                }
            } else if (TypeOfContract.equals("Large")) {
                if (AddedInternet.equals("yes")) {
                    price = (25.98 + 4.35) * PayingMonths;
                    System.out.printf("%.2f lv.%n", price);
                } else if (AddedInternet.equals("no")) {
                    price = 25.98 * PayingMonths;
                    System.out.printf("%.2f lv.%n", price);
                }
            } else if (TypeOfContract.equals("ExtraLarge")) {
                if (AddedInternet.equals("yes")) {
                    price = (35.99 + 3.85) * PayingMonths;
                    System.out.printf("%.2f lv.%n", price);
                } else if (AddedInternet.equals("no")) {
                    price = 35.99 * PayingMonths;
                    System.out.printf("%.2f lv.%n", price);
                }
            }
        }
        if (DurationOfContract.equals("two")) {
            if (TypeOfContract.equals("Small")) {
                if (AddedInternet.equals("yes")) {
                    price = (8.58 + 5.50) * PayingMonths;
                    price = price - price * 0.0375;
                    System.out.printf("%.2f lv.%n", price);
                } else if (AddedInternet.equals("no")) {
                    price = 8.58 * PayingMonths;
                    price = price - price * 0.0375;
                    System.out.printf("%.2f lv.%n", price);
                }
            } else if (TypeOfContract.equals("Middle")) {
                if (AddedInternet.equals("yes")) {
                    price = (17.09 + 4.35) * PayingMonths;
                    price = price - price * 0.0375;
                    System.out.printf("%.2f lv.%n", price);
                } else if (AddedInternet.equals("no")) {
                    price = 17.09 * PayingMonths;
                    price = price - price * 0.0375;
                    System.out.printf("%.2f lv.%n", price);
                }

            } else if (TypeOfContract.equals("Large")) {
                if (AddedInternet.equals("yes")) {
                    price = (23.59 + 4.35) * PayingMonths;
                    price = price - price * 0.0375;
                    System.out.printf("%.2f lv.%n", price);
                } else if (AddedInternet.equals("no")) {
                    price = 23.59 * PayingMonths;
                    price = price - price * 0.0375;
                    System.out.printf("%.2f lv.%n", price);
                }
            } else if (TypeOfContract.equals("ExtraLarge")) {
                if (AddedInternet.equals("yes")) {
                    price = (31.79 + 3.85) * PayingMonths;
                    price = price - price * 0.0375;
                    System.out.printf("%.2f lv.%n", price);
                } else if (AddedInternet.equals("no")) {
                    price = 31.79 * PayingMonths;
                    price = price - price * 0.0375;
                    System.out.printf("%.2f lv.%n", price);
                }
            }
        }
    }
}
}