if isEnemy("FRONT"):
  sumorobot.forward()
elif isEnemy("RIGHT"):
  sumorobot.right()
elif isEnemy("LEFT"):
  sumorobot.left()
elif isLine("FRONT"):
  sumorobot.back()
  sleep(2)
elif isLine("LEFT"):
  sumorobot.back()
  sleep(1)
  sumorobot.left()
  sleep(0.5)
elif isLine("RIGHT"):
  sumorobot.back()
  sleep(1)
  sumorobot.right()
  sleep(0.5)
else:
  sumorobot.forward()
