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

namespace _04.DwarfPresents
{
    class Program
    {
        static void Main(string[] args)
        {
            int dwarfs = int.Parse(Console.ReadLine());
            int money = int.Parse(Console.ReadLine());
            double price = 0;
            double total = 0;

            for (int i = 1; i <= dwarfs; i++)
            {
                string present = Console.ReadLine();
                if (present == "sand clock")
                {
                    price = 2.20;
                }
                else if (present == "magnet")
                {
                    price = 1.50;
                }
                else if (present == "cup")
                {
                    price = 5.0;
                }
                else if (present == "t-shirt")
                {
                    price = 10.0;
                }
                total += price;
            }
            if (total <= money)
            {
                double result = money - total;
                Console.WriteLine($"Santa Claus has {result:F2} more leva left!");
            }
            else
            {
                double result = total - money;
                Console.WriteLine($"Santa Claus will need {result:F2} more leva.");
            }
        }
    }
}