initial_energy = int(input())

command = input()
wins = 0

while not command == 'End of battle':

    if initial_energy - int(command) > 0:
        initial_energy -= int(command)
        wins += 1
    elif initial_energy - int(command) == 0:
        print(f'Not enough energy! Game ends with {wins} won battles and {initial_energy} energy')
    if wins % 3 == 0:
        initial_energy += wins
    command = input()

print(f'Won battles: {wins}. Energy left: {initial_energy}')