Cinema

import java.util.Scanner;

public class Main {

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

        String projection = Scanner.nextLine();
        int rows = Integer.parseInt(Scanner.nextLine());
        int columns = Integer.parseInt(Scanner.nextLine());

        double sum =0;

        int seats = rows * columns;

        switch (projection){
            case "Premiere":
                sum = seats * 12.0;
                System.out.println(sum);
                break;
            case "Normal":
                sum = seats * 7.5;
                System.out.println(sum);
                break;
            case "Discount":
                sum = seats * 5.0;
                System.out.println(sum);
                break;
             default:
                 break;
        }
    }
}