CraftBamboo

local input = peripheral.wrap("top")

function craftAndTrade()
    turtle.transferTo(2, 9)
    turtle.transferTo(6, 9)
    turtle.craft()
    turtle.drop()
end

while true do
  local item = input.getItemDetail(1)
  if(item ~= nil and item.count > 17) then
    turtle.suckUp(18)
    craftAndTrade()
  end
  os.sleep(2)
end