MyHotel

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

namespace Hotel
{
    class Program
    {
        static void Main()
        {
            string Month = Console.ReadLine();
            int NightCounts = int.Parse(Console.ReadLine());
            double Studio = GetStudioPrices(Month, NightCounts);
            double Double = GetDoublePrices(Month, NightCounts);
            double Suite = GetSuitePrices(Month, NightCounts);
            double TotalStudio = 0;
            if ((Month == "September" || Month == "October") && (NightCounts > 7))
            {
                TotalStudio = Studio * (NightCounts - 1);
            }
            else
            {
                TotalStudio = Studio * NightCounts;
            }
            double TotalDouble = Double * NightCounts;
            double TotalSuite = Suite * NightCounts;

            Console.WriteLine($"Studio: {TotalStudio:f2} lv.");
            Console.WriteLine($"Double: {TotalDouble:f2} lv.");
            Console.WriteLine($"Suite: {TotalSuite:f2} lv.");

        }

        private static double GetSuitePrices(string Month, int NightCounts)
        {
            double Suite = 0;
            if (Month == "May" || Month == "October")
            {
                Suite = 75;
            }
            else if (Month == "June" || Month == "September")
            {
                Suite = 82;
            }
            else
            {
                Suite = 89;
                if (NightCounts > 14)
                {
                    Suite = 89 * (1 - 0.15);
                }
            }

            return Suite;
        }

        private static double GetDoublePrices(string Month, int NightCounts)
        {
            double Double = 0;
            if (Month == "May" || Month == "October")
            {
                Double = 65;
            }
            else if (Month == "June" || Month == "September")
            {
                Double = 72;
                if (NightCounts > 14)
                {
                    Double = 72 * (1 - 0.1);
                }
            }
            else
            {
                Double = 77;
            }

            return Double;
        }

        private static double GetStudioPrices(string Month, int NightCounts)
        {
            double Studio = 0;
            if (Month == "May" || Month == "October")
            {
                Studio = 50;
                if (NightCounts > 7)
                {
                    Studio = 50 * (1 - 0.05);
                }
            }
            else if (Month == "June" || Month == "September")
            {
                Studio = 60;
            }
            else
            {
                Studio = 68;
            }

            return Studio;
        }
    }
}