Passion Days

using System;

namespace PassionDays
{
    class Program
    {
        public static void Main(string[] args)
        {
            decimal moneyLinaHas = decimal.Parse(Console.ReadLine());
            decimal moneyLeft = moneyLinaHas;
            decimal disscount = 0.0m;
            int purchasesMade = 0;
            string enterCommand = Console.ReadLine();
            string exitCommand = "mall.Exit";
            string linaPurchases = string.Empty;


            while (enterCommand != "mall.Enter")
            {
                enterCommand = Console.ReadLine();
            }

            for (int currentBuy = 0; currentBuy < 20; currentBuy++)
            {
                linaPurchases = Console.ReadLine();
                if (linaPurchases == exitCommand)
                {
                    break;
                }
                else
                {
                    purchasesMade++;
                }

                    for (int currentLetter = 0; currentLetter < linaPurchases.Length; currentLetter++)
                    {

                        if (linaPurchases[currentLetter] >= 'a' && linaPurchases[currentLetter] <= 'z')
                            {
                                disscount = linaPurchases[currentLetter] * 0.3m;
                                if (disscount < moneyLeft)
                                {
                                    moneyLeft -= disscount;
                                }
                            }
                            else if (linaPurchases[currentLetter] >= 'A' && linaPurchases[currentLetter] <= 'Z')
                            {
                                disscount = linaPurchases[currentLetter] * 0.5m;
                                if (disscount < moneyLeft)
                                {
                                    moneyLeft -= disscount;
                                }
                            }
                            else if (linaPurchases[currentLetter] == '%')
                            {
                                moneyLeft *= 0.5m;
                            }
                            else if (linaPurchases[currentLetter] == '*')
                            {
                                moneyLeft += 10;
                            }
                    }
            }

            if (purchasesMade == 0)
            {
                Console.WriteLine("No purchases. Money left: {0:f2} lv.", moneyLeft);
            }
            else
            {
                Console.WriteLine("{0} purchases. Money left: {1:f2} lv.", purchasesMade, moneyLeft);
            }

        }
    }
}