import java.util.Scanner;

public class P03FilmPremiere {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String project = scanner.nextLine(); // "John Wick", "Star Wars" или "Jumanji"
        String packetFilm = scanner.nextLine(); // "Drink", "Popcorn" или "Menu"
        int numberTickets = Integer.parseInt(scanner.nextLine());

        double packet = 0;

        if (project.equals("John Wick")) {
            if (packetFilm.equals("Drink")) {
                packet += 12 * numberTickets;
            } else if (packetFilm.equals("Popcorn")) {
                packet += 15* numberTickets;
            } else if (packetFilm.equals("Menu")) {
                packet += 19* numberTickets;
            }
        } else if ((project.equals("Star Wars"))) {

            if (packetFilm.equals("Drink")) {
                packet += 18* numberTickets;
            } else if (packetFilm.equals("Popcorn")) {
                packet += 25* numberTickets;

            } else if (packetFilm.equals("Menu")) {
                packet += 30* numberTickets;
            }
            if (numberTickets <= 4) {
                packet *= 0.70;

            }
        } else if ((project.equals("Jumanji"))) {
            if (packetFilm.equals("Drink")) {
                packet += 9* numberTickets;
            } else if (packetFilm.equals("Popcorn")) {
                packet += 11* numberTickets;
            } else if (packetFilm.equals("Menu")) {
                packet += 14* numberTickets;
            }
            if (numberTickets == 2) {
                packet = packet - 0.15;
            }
        }
        if((project.equals("Star Wars"))){
            if(numberTickets >= 4){
                packet *=0.70;
            }
        }

       if((project.equals("Jumanji"))){
           if(numberTickets == 2){
               packet *= 0.85;
           }
       }

       // double sum = packet * numberTickets;

        System.out.printf("Your bill is %.2f leva.", packet);

    }
}