using System;
using static System.Console;

namespace The_begining
{
    class Program
    {
        static void Main(string[] args)
        {
            int countDograma = int.Parse(Console.ReadLine());
            string kindDograma = Console.ReadLine();
            string delivery = Console.ReadLine();
            double price = 0;

            switch (kindDograma)
            {
                case "90X130":
                    price = 110;

                    if (countDograma >30)
                    {
                        price *= countDograma;
                        price -= (0.05 * price);
                    }
                    else if(countDograma > 60)
                    {
                        price *= countDograma;
                        price -= (0.08 * price);
                    }

                  break;
                case "100X150":
                    price = 140;

                    if (countDograma > 40)
                    {
                        price *= countDograma;
                        price -= (0.06 * price);
                    }
                    else if (countDograma > 80)
                    {
                        price *= countDograma;
                        price -= (0.10 * price);
                    }
                    break;
                case "130X180":
                    price = 190;

                    if (countDograma > 20)
                    {
                        price *= countDograma;
                        price -= (0.07 * price);
                    }
                    else if (countDograma > 50)
                    {
                        price *= countDograma;
                        price -= (0.12 * price);
                    }
                    break;
                case "200X300":
                    price = 250;

                    if (countDograma > 25)
                    {
                        price *= countDograma;
                        price -= (0.09 * price);
                    }
                    else if (countDograma > 50)
                    {
                        price *= countDograma;
                        price -= (0.14 * price);
                    }
                    break;

            }
            if (countDograma > 99)
            {
                price = price + (price *= 0.04);
            }
            if (countDograma < 10)
            {
                Console.WriteLine("Invalid order");

            }
            if (delivery == "With delivery")
            {

            }
            if (delivery == "Without delivery")
            {

            }
            Console.WriteLine($"{price:f2} BGN");
        }
    }
}