using System;

namespace _05.Series
{
    class Series
    {
        static void Main(string[] args)
        {
            double budget = double.Parse(Console.ReadLine());
            double TVshowsNum = double.Parse(Console.ReadLine());

            double priceAll = 0.0;

            for (int i = 1; i <= TVshowsNum; i++)
            {
                string nameTVshow = Console.ReadLine();
                double pricePerTVshow = double.Parse(Console.ReadLine());

                if (nameTVshow == "Thrones")
                {
                    pricePerTVshow = pricePerTVshow * 0.50;
                }
                else if (nameTVshow == "Lucifer")
                {
                    pricePerTVshow = pricePerTVshow * 0.60;
                }
                else if (nameTVshow == "Protector")
                {
                    pricePerTVshow = pricePerTVshow * 0.70;
                }
                else if (nameTVshow == "TotalDrama")
                {
                    pricePerTVshow = pricePerTVshow * 0.80;
                }
                else if (nameTVshow == "Area")
                {
                    pricePerTVshow = pricePerTVshow * 0.90;
                }

                priceAll += pricePerTVshow;
            }

            double difference = Math.Abs(budget - priceAll);

            if (budget >= priceAll)
            {
                Console.WriteLine($"You bought all the series and " +
                    $"left with {difference:f2} lv.");
            }
            else
            {
                Console.WriteLine($"You need {difference:f2} lv. more to buy the series!");
            }
        }
    }
}