using System;

namespace Fuel_Tank___Part_2
{
    class Program
    {
        static void Main(string[] args)
        {
            double benzin = 2.22;
            double dizel = 2.33;
            double gaz = 0.93;
            double discountBenzin = 0.18;
            double discountDizel = 0.12;
            double discountGaz = 0.08;
            string fuel = Console.ReadLine();
            double liters = double.Parse(Console.ReadLine());
            string clubCard = Console.ReadLine();

            bool clubCardd = true;
            if (fuel == "Gas")
            {
                if (clubCardd)
                {
                    double price = gaz - discountGaz;
                    double totalPrice = price * liters;
                    double endPrice = totalPrice - (0.1 * totalPrice);
                    Console.WriteLine($"{endPrice:f2} lv.");
                }
            }

            else if (fuel == "Gasoline")
            {
                double totalPrice = liters * benzin;
                double endPrice = totalPrice - (0.08 * totalPrice);
                Console.WriteLine($"{endPrice:f2} lv.");
            }
            else if (fuel == "Diesel")
            {
                double totalPrice = liters * dizel;
                Console.WriteLine($"{totalPrice:f2} lv.");
            }
        }
    }
}