import java.util.Scanner;

public class CounterStrike {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int energy = Integer.parseInt(scanner.nextLine());
        String command = scanner.nextLine();
        boolean itSWin = false;
        int counter = 0;

        while (!command.equals("End of battle")){

            int distance = Integer.parseInt(command);

            counter++;
            if (energy < distance){
                itSWin = false;
                break;

            } else {
                if (counter % 3 ==0){
                    energy -= distance;
                    energy = energy + counter;
                } else {
                    energy -= distance;
                }
            }
            command=scanner.nextLine();
        }

        if(itSWin){
            System.out.printf("Win battles: %d. Energy left: %d", counter, energy);
        } else {
            System.out.printf("Not enough energy! Game ends with %d won battles and %d energy", counter - 1, energy);
        }
    }
}