CounterStrike

import java.util.Scanner;

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

        int initialEnergy = Integer.parseInt(scan.nextLine());
        String distance = scan.nextLine();

        int countWinBattles = 0;

        while (!distance.equals("End of battle")) {
            int currentDistance = Integer.parseInt(distance);
            if (currentDistance <= initialEnergy) {
                initialEnergy -= currentDistance;
                countWinBattles++;
                if(countWinBattles % 3 == 0){
                    initialEnergy += countWinBattles;
                }
            } else if (initialEnergy - currentDistance < 0){
                System.out.printf("Not enough energy! Game ends with %d won battles and %d energy",countWinBattles,initialEnergy);
                return;
            }
            distance = scan.nextLine();
        }
        System.out.printf("Won battles: %d. Energy left: %d",countWinBattles,initialEnergy);


    }
}