using System;

namespace _09.FuelTankPart2

{

    class Program

    {

        static void Main(string[] args)

        {

            // Input Data

            string typeFuel = Console.ReadLine();

            double fuelQuantity = double.Parse(Console.ReadLine());

            string clubCard = Console.ReadLine();

            // Prices per Liter

            double priceGasoline = 2.22;

            double priceDiesel = 2.33;

            double priceGas = 0.93;

            // Apply Card Discount

            if (clubCard == "Yes")

            {

                priceGasoline -= 0.18;

                priceDiesel -= 0.12;

                priceGas -= 0.8;

            }

            double priceToBeUsed = 0;

            // Check the Price to be used based on the Fuel Type

            if (typeFuel == "Gasoline") {

                priceToBeUsed = priceGasoline;

            } else if (typeFuel == "Diesel") {

                priceToBeUsed = priceDiesel;

            } else if (typeFuel == "Gas") {

                priceToBeUsed = priceGas;

            }

            // Calculate the Price to be Paid

            double priceToPay = fuelQuantity * priceToBeUsed;

            // Apply Discount for Big Fuel Quantity

            double discountForAmount = 0;

            if (fuelQuantity >= 20 && fuelQuantity <= 25) {

                discountForAmount = priceToPay * 0.08;

            } else if (fuelQuantity > 25) {

                discountForAmount = priceToPay * 0.10;

            }

            priceToPay -= discountForAmount;

            Console.WriteLine($"{priceToPay:f2} lv.");

        }

    }

}