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using System;

namespace exam_3
{
    class Program
    {
        static void Main(string[] args)
        {
            int countDograma = int.Parse(Console.ReadLine());
            string type = Console.ReadLine();
            string delivery = Console.ReadLine();
            double price = 0;


            if (countDograma <= 10)
            {
                Console.WriteLine("Invalid order");

            }
            if (type=="90X130"&&countDograma>10)
            {
                if (countDograma>30 && countDograma<=60)
                {
                    price = 110 * 0.95;
                }
                else if (countDograma>60)
                {
                    price = 110 * 0.92;
                }
                double money = price * countDograma;
                if (delivery == "With delivery")
                {
                    money = money + 60;

                }
                if (countDograma > 99)
                {
                    money = money * 0.96;

                }
                Console.WriteLine($"{money:F2} BGN");
            }
            if (type == "100X150" && countDograma > 10)
            {
                if (countDograma > 40 && countDograma <= 80)
                {
                    price = 140 * 0.94;
                }
                else if (countDograma > 80)
                {
                    price = 140 * 0.90;
                }
                double money = price * countDograma;
                if (delivery == "With delivery")
                {
                    money = money + 60;

                }
                if (countDograma > 99)
                {
                    money = money * 0.96;

                }
                Console.WriteLine($"{money:F2} BGN");
            }
            if (type == "130X180" && countDograma > 10)
            {
                if (countDograma > 20&& countDograma<=50)
                {
                    price = 190 * 0.93;
                }
                else if (countDograma > 50)
                {
                    price = 190 * 0.88;
                }
                double money = price * countDograma;
                if (delivery == "With delivery")
                {
                    money = money + 60;

                }
                if (countDograma > 99)
                {
                    money = money * 0.96;

                }
                Console.WriteLine($"{money:F2} BGN");

            }
            if (type == "200X300" && countDograma > 10)
            {
                if (countDograma > 25&& countDograma<=50)
                {
                    price = 250 * 0.91;
                }
                else if (countDograma > 50)
                {
                    price = 250 * 0.86;
                }
                double money = price * countDograma;
                if (delivery == "With delivery")
                {
                    money = money + 60;

                }
                else if (delivery=="Without delivery")
                {
                    money = money + 0;
                }
                if (countDograma > 99)
                {
                    money = money * 0.96;

                }
                Console.WriteLine($"{money:F2} BGN");

            }






        }
    }
}