using System;

namespace CruiseShip
{
    class Program
    {
        static void Main(string[] args)
        {
            string kindOfCruise = Console.ReadLine();
            string kindOfCabin = Console.ReadLine();
            int countOfNights = int.Parse(Console.ReadLine());
            double sum = 0.00;
            double sumOfHoliday = 0.00;
            double sumAfterDiscount = 0.00;
            double priceOfOneNight = 0.00;
            if (kindOfCabin == "standard cabin")
            {
                if (kindOfCruise == "Mediterranean")
                {
                     priceOfOneNight = 27.50;
                }
                else if (kindOfCruise == "Adriatic")
                {
                    priceOfOneNight = 22.99;
                }
                else if (kindOfCruise == "Aegean")
                {
                    priceOfOneNight = 23.00;
                }
            }
            else if (kindOfCabin == "cabin with balcony")
            {
                if (kindOfCruise == "Mediterranean")
                {
                    priceOfOneNight = 30.20;
                }
                else if (kindOfCruise == "Adriatic")
                {
                    priceOfOneNight = 25.00;
                }
                else if (kindOfCruise == "Aegean")
                {
                    priceOfOneNight = 26.60;
                }
            }
            else  if (kindOfCabin == "apartment")
            {
                if (kindOfCruise == "Mediterranean")
                {
                    priceOfOneNight = 40.50;
                }
                else if (kindOfCruise == "Adriatic")
                {
                    priceOfOneNight = 34.99;
                }
                else if (kindOfCruise == "Aegean")
                {
                    priceOfOneNight = 39.80;
                }
            }
            if (countOfNights > 7)
            {
                sum = priceOfOneNight * 4 * countOfNights;
                sumAfterDiscount = sum - (sum * 0.25);
                sumOfHoliday = sumAfterDiscount;
            }
            else
            {
                sumOfHoliday = priceOfOneNight * 4 * countOfNights;
            }
            Console.WriteLine($"Annie's holiday in the {kindOfCruise} sea costs {sumOfHoliday:F2} lv.");

        }
    }
}