using System;

namespace _01.PassionDays
{
    class PassionDays
    {
        static void Main(string[] args)
        {
            decimal money = decimal.Parse(Console.ReadLine());
            string input = Console.ReadLine();

            int purchasesCount = 0;
            decimal price = 0;

            input = Console.ReadLine();

            while (input != "mall.Exit")
            {
                for (int i = 0; i < input.Length; i++)
                {
                    if (input[i] >= 65 && input[i] <= 90)
                    {
                        price = input[i] * 0.5m;

                        if (money >= price)
                        {
                            money -= price;
                            purchasesCount++;
                        }
                    }
                    else if (input[i] >= 97 && input[i] <= 122)
                    {
                        price = input[i] * 0.3m;

                        if (money >= price)
                        {
                            money -= price;
                            purchasesCount++;
                        }
                    }
                    else if (input[i] == 37)
                    {
                        if (money > 0)
                        {
                            money /= 2;
                            purchasesCount++;
                        }
                    }
                    else if (input[i] == 42)
                    {
                        money += 10;
                    }
                    else
                    {
                        price = input[i];

                        if (money >= price)
                        {
                            money -= price;
                            purchasesCount++;
                        }
                    }
                }

                input = Console.ReadLine();
            }

            if (purchasesCount == 0)
            {
                Console.WriteLine($"No purchases. Money left: {money:f2} lv.");
            }
            else
            {
                Console.WriteLine($"{purchasesCount} purchases. Money left: {money:f2} lv.");
            }
        }
    }
}