using System;

namespace TravelAgency
{
    class Program
    {
        static void Main(string[] args)
        {
            int x = 0;
            double price = 0;
            string town = Console.ReadLine();
            string pack = Console.ReadLine();
            string vip = Console.ReadLine();
            int days = int.Parse(Console.ReadLine());
            if (days > 7)
            {
                days -= 1;
            }
            if (town != "Bansko" && town != "Borovets" && town != "Varna"
                && town != "Burgas")
            {
                Console.WriteLine("Invalid input!");
                x = 0;
            } else
            {
                x = 1;
            }

            if (x == 1)
            {
                if ((town == "Bansko" || town == "Borovets") &&
                    pack != "withEquipment" && pack != "noEquipment")
                {
                    Console.WriteLine("Invalid input!");
                    x = 0;
                }
                else if ((town == "Varna" || town == "Burgas") &&
                    pack != "withBreakfast" && pack != "noBreakfast")
                {
                    Console.WriteLine("Invalid input!");
                    x = 0;
                }
                else
                {
                    x = 1;
                }
            }
            if (x == 1)
            {
                if (days < 1)
                {
                    Console.WriteLine("Days must be positive number!");
                    x = 0;
                }
                else
                {
                    x = 1;
                }
            }
            if (x == 1)
            {
                if (town == "Bansko" || town == "Borovets")
                {
                    if (pack == "withEquipment")
                    {
                        price = 100 * days;
                        if (vip == "yes")
                        {
                            price *= 0.9;
                        }
                    }
                    else if (pack == "noEquipment")
                    {
                        price = 80 * days;
                        if (vip == "yes")
                        {
                            price *= 0.95;
                        }
                    }
                }
                else if (town == "Varna" || town == "Burgas")
                {
                    if (pack == "withBreakfast")
                    {
                        price = 130 * days;
                        if (vip == "yes")
                        {
                            price *= 0.88;
                        }
                    }
                    else if (pack == "noBreakfast")
                    {
                        price = 100 * days;
                        if (vip == "yes")
                        {
                            price *= 0.93;
                        }
                    }
                }
            }

            if (x == 1)
            {
                Console.WriteLine("The price is " + $"{price:f2}" + "lv! Have a nice time!");
            }
        }
    }
}