local function depletedFuel()
return redstone.getInput("back")
end

local x
local reactor = peripheral.wrap("top")
local chest = "south"
local slot = { 9, 10, 13, 14, 17, 18,
  21, 22, 25, 26, 29, 30,
  33, 34, 37, 38}

while true do
if depletedFuel() then
  --sleep(10)
   for x=1, #slot do
   turtle.select(16)
   reactor.pushItemIntoSlot(chest, slot[x])
   print(slot[x])
  end

else
  print("Idling")
end
sleep(1)
end