using System;

namespace _01._SoftUni_Reception
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int energy = int.Parse(Console.ReadLine());
            int battles = 0;

            while (true)
            {
                string line = Console.ReadLine();
                if (line == "End of battle")
                {
                    Console.WriteLine($"Won battles: {battles}. Energy left: {energy}");
                    break;
                }
                int distance = int.Parse(line);
                energy -= distance;
                battles++;
                if (battles % 3 == 0)
                {
                    energy += battles;
                }
            }

            if (energy <= 0)
            {

                Console.WriteLine($"Not enough energy! Game ends with {battles} won battles and {energy} energy");

            }


        }
    }
}