package firstStepsInCoding;

import java.util.Scanner;

public class PastryShop {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String kindCake = scanner.nextLine();
        int numOrder = Integer.parseInt(scanner.nextLine());
        int dayOfMonth = Integer.parseInt(scanner.nextLine());
        double price = 0;
        double discount = 0;
        switch (kindCake) {
            case "Cake":
                price = 24;
                break;
            case "Souffle":
                price = 6.66;
                break;
            case "Baklava":
                price = 12.60;
                break;
        }


        if (dayOfMonth >= 15) {
            switch (kindCake) {
                case "Cake":
                    price = 28.70;
                    break;
                case "Souffle":
                    price = 9.80;
                    break;
                case "Baklava":
                    price = 16.98;
                    break;
            }
            if (numOrder >= 100 && numOrder <= 200) {
                discount = price * 0.15;
            } else {
                discount = price * 0.25;
                if (dayOfMonth <= 15) {
                    discount = numOrder * 0.10;

                    System.out.printf("%.2f", price * numOrder / discount);

                }

            }
        }
    }
}