Passionate Shopping Days

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

namespace PassionateShoppingDays
{
    class Program
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            string command = Console.ReadLine();

            int purchasesCount = 0;
            double values = 0;

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


                foreach (char letter in command)
                {
                    if (letter >= 'A' && letter <= 'Z')
                    {
                        values = (int)letter * 0.5;
                        if (values <= budget)
                        {
                            budget -= values;
                        }
                    }
                    else if (letter >= 'a' && letter <= 'z')
                    {
                        values = (int)letter * 0.3;

                        if (values <= budget)
                        {
                            budget -= values;
                        }
                    }
                    else if (letter == '%')
                    {
                        budget = budget / 2.0;
                    }
                    else if (letter == '*')
                    {
                        budget += 10;
                        purchasesCount--;
                    }
                    else
                    {
                        values = (int)letter;
                        if (values <= budget)
                        {
                            budget -= values;
                        }
                        budget -= values;
                    }

                    purchasesCount++;
                }
                command = Console.ReadLine();
            }
            if (purchasesCount < 1)
            {
                Console.WriteLine("No purchases. Money left: {0:f2}", budget);
            }
            else
            {
                Console.WriteLine("{0} purchases. Money left: {1:f2} lv.", purchasesCount, budget);
            }
        }
    }
}