using System;

namespace _03.TravelAgency
{
    class TravelAgency
    {
        static void Main(string[] args)
        {
            string nameCity = Console.ReadLine();
            string packet = Console.ReadLine();
            string vip = Console.ReadLine();
            double daysStay = double.Parse(Console.ReadLine());

            double price = 0.0;

            if (nameCity == "Bansko" || nameCity == "Borovets")
            {
                if (packet == "withEquipment")
                {
                    price = 100.0;

                    if (vip == "yes")
                    {
                        price = price * 0.90;
                    }
                }
                else if (packet == "noEquipment")
                {
                    price = 80.0;

                    if (vip == "yes")
                    {
                        price = price * 0.95;
                    }
                }
            }
            else if (nameCity == "Varna" || nameCity == "Burgas")
            {
                if (packet == "withBreakfast")
                {
                    price = 130.0;

                    if (vip == "yes")
                    {
                        price = price * 0.88;
                    }
                }
                else if (packet == "noBreakfast")
                {
                    price = 100.0;

                    if (vip == "yes")
                    {
                        price = price * 0.93;
                    }
                }
            }
            else if (nameCity != "Bansko" || nameCity != "Borovets" || nameCity != "Varna" || nameCity != "Burgas")
            {
                Console.WriteLine("Invalid input!");
                return;
            }

            double allNights = price * daysStay;

            if (daysStay < 1)
            {
                Console.WriteLine("Days must be positive number!");
            }
            else
            {
                Console.WriteLine($"The price is {allNights:f2}lv! Have a nice time!");
            }
        }
    }
}