using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp7
{
    class Program
    {
        static void Main(string[] args)
        {
            string townName = Console.ReadLine();
            string packet = Console.ReadLine();
           string discount = Console.ReadLine();
            int days = int.Parse(Console.ReadLine());
           double price = 0;
          if(townName == "Bansko" || townName == "Borovets")
            {
                if(packet == "noEquipment" )
                {
                    price = 80;
                    if(discount == "yes")
                    {
                        price = price - (price * 0.1);
                    }
                }
                else if (packet == "withEquipment")
                {
                    price = 100;
                    if (discount == "yes")
                    {
                        price = price - (price * 0.05);
                    }
                    else
                    {
                        Console.WriteLine("Invalid input!");
                    }
                }

            }
          else if (townName == "Varna" || townName == "Burgas")
            {
                if (packet == "noBreakfast")
                {
                    price = 100;
                    if (discount == "yes")
                    {
                        price = price - (price * 0.07);
                    }
                }
                else if (packet == "withBreakfast")
                {
                    price = 130;
                    if (discount == "yes")
                    {
                        price = price - (price * 0.12);
                    }
                }
                else
                {
                    Console.WriteLine("Invalid input!");
                }
            }
            else
            {
                Console.WriteLine("Invalid input!");
            }
          if(days > 7)
            {
                days -= 1;
            }
            double total = days * price;
            if (days < 1)
            {
                Console.WriteLine("Days must be positive number!");
            }
            else {
                Console.WriteLine($"The price is {total:f2}lv! Have a nice time!");

                }
        }
    }
}