import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        long initialEnergy = (long)Integer.parseInt(scanner.nextLine());
        String command = scanner.nextLine();
        long wonBattle = 0;
        boolean win = false;

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

                int command1 = Integer.parseInt(command);

                if (initialEnergy>0 && initialEnergy <= 10000 && initialEnergy <=10000) {
                    initialEnergy = initialEnergy - command1;
                    wonBattle++;
                    if (wonBattle % 3 == 0) {
                        initialEnergy = initialEnergy + wonBattle;
                    }

                }
                else if (initialEnergy - command1 < 0) {
                    initialEnergy = 0;
                    System.out.printf("Not enough energy! Game ends with %d won battles and %d energy", wonBattle, initialEnergy);
                    win = true;
                    break;


                }


                command = scanner.nextLine();
            }


            if (win== false){
             System.out.printf("Won battles: %d. Energy left: %d", wonBattle, initialEnergy);
            }

    }
}