using System;

class Practice
{
    static void Main()
    {
        decimal money = decimal.Parse(Console.ReadLine());
        string input = Console.ReadLine();

        //wait for "mall.Enter" input
        while (input!="mall.Enter")
        {
            input = Console.ReadLine();
        }
        input = Console.ReadLine();
        decimal price = 0;
        decimal currentItem = 0; int orders = 0;

        //wait for "mall.Exit" input
        while (input!="mall.Exit")
        {
            for (int i = 0; i < input.Length; i++)
            {
                currentItem = input[i];
                if (input[i]>='A'&&input[i]<='Z')
                {
                    price = currentItem * 0.5m;
                }
                else if (input[i]>='a'&&input[i]<='z')
                {
                    price = currentItem * 0.3m;
                }
                else if (input[i]=='%')
                {
                    if (money > 0)
                    {
                        money /= 2; orders++;
                    }
                }
                else if (input[i]=='*')
                {
                    money += 10;
                }
                else { price = currentItem; }

                if (price!=0&&(money-price)>=0) { money -= price; orders++; }

                price = 0; currentItem = 0;
            }
            input = Console.ReadLine();
        }

        if (orders == 0)
        {
            Console.WriteLine("No purchases. Money left: {0:F2} lv.", money);
        }
        else
        {
            Console.WriteLine("{0} purchases. Money left: {1:F2} lv.", orders, money);
        }
    }

}