MatchTickets

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

namespace Match_Tickets
{
    class Program
    {
        static void Main(string[] args)
        {
            decimal budget = decimal.Parse(Console.ReadLine());
            string ticketType = Console.ReadLine();
            int peopleCount = int.Parse(Console.ReadLine());

            decimal transportCharges = 0.00M;
            decimal moneyForTickets = 0.00M;
            decimal difference = 0.00M;

            if (peopleCount <= 4)
            {
                transportCharges = 0.75M * budget;
            }
            else if (peopleCount <= 9)
            {
                transportCharges = 0.60M * budget;
            }
            else if (peopleCount <= 24)
            {
                transportCharges = 0.50M * budget;
            }
            else if (peopleCount <= 49)
            {
                transportCharges = 0.40M * budget;
            }
            else if (peopleCount >= 50)
            {
                transportCharges = 0.25M * budget;
            }

            switch (ticketType)
            {
                case "Normal":
                    moneyForTickets = peopleCount * 249.99M;
                    break;
                case "VIP":
                    moneyForTickets = peopleCount * 499.99M;
                    break;
                default:
                    moneyForTickets = peopleCount * 249.99M;
                    break;
            }
            difference = budget - moneyForTickets - transportCharges;
            string result = string.Format("Yes! You have {0} leva left.", decimal.Round(difference,2));

            if (difference < 0)
            {
                result = string.Format("Not enough money! You need {0:F2} leva.",
                    Math.Abs(decimal.Round(difference, 2)));
            }
            Console.WriteLine(result);
        }
    }
}