03. Cruise Ship

using System;
using System.Linq;

class Program
{
    static void Main()
    {

        string cruise = Console.ReadLine();
        string cabin = Console.ReadLine();
        int numOfNights = int.Parse(Console.ReadLine());

        double pricePerNight = 0;

        switch (cabin)
        {
            case "standard cabin":
                switch (cruise)
                {
                    case "Mediterranean":
                        pricePerNight = 27.50;
                        break;
                    case "Adriatic":
                        pricePerNight = 22.99;
                        break;
                    case "Aegean":
                        pricePerNight = 23;
                        break;
                }
                break;
            case "cabin with balcony":
                switch (cruise)
                {
                    case "Mediterranean":
                        pricePerNight = 30.20;
                        break;
                    case "Adriatic":
                        pricePerNight = 25;
                        break;
                    case "Aegean":
                        pricePerNight = 26.60;
                        break;
                }
                break;
            case "apartment":
                switch (cruise)
                {
                    case "Mediterranean":
                        pricePerNight = 40.50;
                        break;
                    case "Adriatic":
                        pricePerNight = 34.99;
                        break;
                    case "Aegean":
                        pricePerNight = 39.80;
                        break;
                }
                break;
        }

        double totalPrice = pricePerNight * numOfNights * 4;


        if(numOfNights > 7)
        {
            totalPrice -= totalPrice * 0.25;
        }

        Console.WriteLine($"Annie's holiday in the {cruise} sea costs {totalPrice:f2} lv.");
    }
}