using System;

public class Program

{

    public static void Main()

    {

        string town = Console.ReadLine();

        string package = Console.ReadLine();

        string discount = Console.ReadLine();

        int days = int.Parse(Console.ReadLine());

        if ((town=="Bansko" || town=="Borovets") &&(package=="noEquipment"))

        {

            double price = 80 * days;

            if (discount=="yes") price = price-price*0.05;

            if(days>=1)Console.WriteLine("The price is {0:f2}lv! Have a nice time!", price);

            else if (days<1) Console.WriteLine("Days must be posititve number");

        }

        else if ((town=="Bansko" || town=="Borovets") && (package=="withEquipment"))

        {

            double price = 100 * days;

            if (discount=="yes") price = price-price*0.1;

            if(days>=1)Console.WriteLine("The price is {0:f2}lv! Have a nice time!", price);

            else if (days<1) Console.WriteLine("Days must be posititve number");

        }

        else if ((town=="Varna" || town=="Burgas") && (package=="noBreakfast")) 

        {

            double price = 100 * days;

            if (discount=="yes") price = price-price* 0.07;

            if(days>=1)Console.WriteLine("The price is {0:f2}lv! Have a nice time!", price);

            else if (days<1) Console.WriteLine("Days must be posititve number");

        }

        else if ((town=="Varna" || town=="Burgas") && (package=="withBreakfast"))

        {

            double price = 130 * days;

            if (discount=="yes") price = price-price* 0.12;

            if(days>=1)Console.WriteLine("The price is {0:f2}lv! Have a nice time!", price);

            else if (days<1) Console.WriteLine("Days must be posititve number");

        }

          else Console.WriteLine("Invalid input");

    }

}