Dream Item

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

namespace DreamItem
{
    class DreamItem
    {
        static void Main(string[] args)
        {
            string inputDate = Console.ReadLine();
            string[]date=inputDate.Split('\\');
            int numberOfdays = 0;
            switch (date[0])
            {
                case "Jan": numberOfdays = 31; break;
                case "Feb": numberOfdays = 28; break;
                case "March": numberOfdays = 31; break;
                case "Apr": numberOfdays = 30; break;
                case "May": numberOfdays = 31; break;
                case "June": numberOfdays = 30; break;
                case "July": numberOfdays = 31; break;
                case "Aug": numberOfdays = 31; break;
                case "Sept": numberOfdays = 30; break;
                case "Oct": numberOfdays = 31; break;
                case "Nov": numberOfdays = 30; break;
                case "Dec": numberOfdays = 31; break;
            }
            int workingDays = numberOfdays - 10;
            decimal moneyPerHour = decimal.Parse(date[1]);
            int hoursPerDay = int.Parse(date[2]);
            decimal dreamPrice = decimal.Parse(date[3]);
            decimal workedMoney = (decimal)(workingDays * hoursPerDay * moneyPerHour);
            if (workedMoney > 700)
            {
                workedMoney = workedMoney + (decimal)(workedMoney / 10M);
            }
            if (workedMoney >= dreamPrice)
            {
                Console.WriteLine("Money left = {0:F2} leva.",(workedMoney-dreamPrice));
            }
            else
            {
                Console.WriteLine("Not enough money. {0:F2} leva needed.",(dreamPrice-workedMoney));
            }

        }
    }
}