MartoooE

using System;

namespace _01._Counter_Strike
{
    internal class Program
    {
        static void Main()
        {
            int playrEnergy = int.Parse(Console.ReadLine());
            int countWon = 0;
            string batleComands = Console.ReadLine();

            while (batleComands != "End of battle")
            {
                int needEnergy = int.Parse(batleComands);
                if (countWon % 3 == 0 && playrEnergy + countWon >= needEnergy)
                {
                    playrEnergy += countWon;
                }

                if (playrEnergy >= needEnergy)
                {
                    playrEnergy -= needEnergy;
                    countWon++;
                }
                else
                {
                    Console.WriteLine($"Not enough energy! Game ends with {countWon} won battles and {playrEnergy} energy");
                    break;
                }

                batleComands = Console.ReadLine();
            }

            if (batleComands == "End of battle")
            {
                Console.WriteLine($"Won battles: {countWon}. Energy left: {playrEnergy}");
            }

        }
    }
}