package TestApril14_15;

import java.util.Scanner;

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


        int joineryCount = Integer.parseInt(scanner.nextLine());
        String joineryType = scanner.nextLine();
        String delivery = scanner.nextLine();

        double price = 0;

        if (joineryCount < 10) {
            System.out.println("Invalid order");
            return;
        }

        if (joineryType.equals("90X130")) {
            price = 110;
            price *= joineryCount;
            if (joineryCount > 60) {
                price *= 0.92;
            } else if (joineryCount > 30) {
                price *= 0.95;
            }
        } else if (joineryType.equals("100X150")) {
            price = 140;
            price *= joineryCount;
            if (joineryCount > 80) {
                price *= 0.90;
            } else if (joineryCount > 40) {
                price *= 0.94;
            }
        } else if (joineryType.equals("130X180")) {
            price = 190;
            price *= joineryCount;
            if (joineryCount > 50) {
                price *= 0.88;
            } else if (joineryCount > 20) {
                price *= 0.93;
            }
        } else if (joineryType.equals("200X300")) {
            price = 250;
            price *= joineryCount;
            if (joineryCount > 50) {
                price *= 0.86;
            } else if (joineryCount > 25) {
                price *= 0.91;
            }
        }

        if (delivery.equals("With delivery")) {
            price += 60;
        }

        if (joineryCount >= 100) {
            price *= 0.96;
        }
        System.out.printf("%.2f BGN", price);

    }
}