using System;

namespace strong_number
{
    class Program
    {
        static void Main()
        {
            int energy = int.Parse(Console.ReadLine());

            int Cur_distance;
            int won_battles = 0;
            bool Not_Enough = false;
            // every 1/3 won battle increases your energy with the number or won battles
            while (true)
            {
                string command = Console.ReadLine();
                if (command == "End of battle") { break; }
                else
                {

                    Cur_distance = Convert.ToInt32(command);

                    if (energy >= Cur_distance)
                    {
                        energy -= Cur_distance; won_battles++;

                        if (won_battles % 3 == 0) { energy += won_battles; }

                    }
                    else { Not_Enough = true;break; }

                }





            }


            if (Not_Enough)
            {
                Console.WriteLine($"Not enough energy! Game ends with {won_battles} won battles and {energy} energy");
            }
            else
            {
                Console.WriteLine($"Won battles: {won_battles}. Energy left: {energy}");
            }
        }

    }
}