os.loadAPI("ocs/apis/sensor")
  p1 = peripheral.wrap("right")
  p2 = peripheral.wrap("left")
    prox = sensor.wrap("back")


while true do

while p2.testBundledInput(colors.green) == false do
        -- print("Wait")
         p1.setBundledOutput(colors.gray)
          os.sleep(1)
       end
p1.setBundledOutput(0)

os.sleep(0.5)

end