WorldSnookerChampionship/EX

using System;

namespace WorldSnookerChampionship
{
    class Program
    {
        static void Main(string[] args)
        {
            string championshipEtap = Console.ReadLine();
            string ticketType = Console.ReadLine();
            int ticketsCount = int.Parse(Console.ReadLine());
            char photoWithTheTrophy = char.Parse(Console.ReadLine());

            double ticketPrice = 0;
           if (totalTicketPrice > 4000)
            {
                totalTicketPrice *= 0.75;
            }
            else if (totalTicketPrice > 2500)
            {
                totalTicketPrice *= 0.90;
                if (photoWithTheTrophy == 'Y')
                {
                    totalTicketPrice += ticketsCount * 40;
                }
            }
            else if (photoWithTheTrophy == 'Y')
                {
                    totalTicketPrice += ticketsCount * 40;
                }

            Console.WriteLine($"{totalTicketPrice:F2}");
        }
    }
}