import java.util.Scanner;

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

        String town = scanner.nextLine();
        String packetType = scanner.nextLine();
        String VIP = scanner.nextLine();
        int days = Integer.parseInt(scanner.nextLine());
        double price = 0.0;

        if (town.equals("Bansko") || town.equals("Borovets")) {
            switch (packetType) {
                case "withEquipment":
                    if (VIP.equals("yes")) {
                        price = 100 * 0.9;
                    } else {
                        price = 100;
                    }
                    break;
                case "noEquipment":
                    if (VIP.equals("yes")) {
                        price = 80 * 0.95;
                    } else {
                        price = 80;
                    }
                    break;
            }
        } else if (town.equals("Varna") || town.equals("Burgas")) {
            switch (packetType) {
                case "withBreakfast":
                    if (VIP.equals("yes")) {
                        price = 130 * 0.88;
                    } else {
                        price = 130;
                    }
                    break;
                case "noBreakfast":
                    if (VIP.equals("yes")) {
                        price = 100 * 0.93;
                    } else {
                        price = 100;
                    }
                    break;
            }
        } else {
            System.out.println("Invalid input!");
        }
        if (days <= 0) {
            System.out.println("Days must be positive number!");
        } else if (days > 7) {
            System.out.printf("The price is %.2f lv! Have a nice time!", (price * (days - 1)));
        } else {
            System.out.printf("The price is %.2f lv! Have a nice time!", price * days);
        }
    }
}