using System;

namespace ReservationOnFlying
{
    class Program
    {
        static void Main(string[] args)
        {
            string classOnTicket = Console.ReadLine(); // класа на билета
            double lengthOnFlight = double.Parse(Console.ReadLine()); // дължина на полета
            int passagersCount = int.Parse(Console.ReadLine()); //брой пътници

            decimal priceOnTickets = 0m;
            decimal totalPrice = 0m;


            switch (classOnTicket)
            {
                case "Economy":
                    if (lengthOnFlight < 1500)
                    {
                        priceOnTickets = 59.99m;
                    }
                    else if (lengthOnFlight >= 1500 && lengthOnFlight <= 3500)
                    {
                        priceOnTickets = 184.99m;
                    }
                    else if (lengthOnFlight > 3500)
                    {
                        priceOnTickets = 269.99m;
                    }
                     break;

                case "Premium":
                    if (lengthOnFlight < 1500)
                    {
                        priceOnTickets = 179.99m;
                    }
                    else if (lengthOnFlight >= 1500 && lengthOnFlight <= 3500)
                    {
                        priceOnTickets = 279.99m;
                    }
                    else if (lengthOnFlight > 3500)
                    {
                        priceOnTickets = 394.99m;
                    }
                    break;

                case "Business":
                    if (lengthOnFlight < 1500)
                    {
                        priceOnTickets = 254.99m;
                    }
                    else if (lengthOnFlight >= 1500 && lengthOnFlight <= 3500)
                    {
                        priceOnTickets = 379.99m;
                    }
                    else if (lengthOnFlight > 3500)
                    {
                        priceOnTickets = 619.99m;
                    }
                    break;
            }
            totalPrice = priceOnTickets * passagersCount;
            if (passagersCount > 6)
                totalPrice = totalPrice * 0.8m;
            Console.WriteLine($"The total price of the tickets is: {totalPrice :f2} lv.");
        }
    }
}