local height
function getFuel()
if turtle.getFuelLevel() <=10 then
  turtle.select(1)
  turtle.refuel(2)
  end
end
function callTree()
turtle.select(2)
if turtle.getItemCount(2) <=4 then
  turtle.suckDown()
end
turtle.forward()
turtle.forward()
turtle.turnLeft()
turtle.place()
turtle.turnRight()
turtle.back()
turtle.place()
turtle.turnLeft()
turtle.place()
turtle.turnRight()
turtle.back()
turtle.place()
repeat
  turtle.select(3)
  turtle.place()
  until not turtle.place()
end
function chopDatStuffUp()
repeat
  turtle.dig()
  getFuel()
  turtle.digUp()
  turtle.up()
  height = height+1
  until not turtle.detectUp()
end
function chopDatStuffDown()
repeat
  turtle.dig()
  getFuel()
  turtle.digDown()
  turtle.down()
  height = height-1
  until height == 0
end
function cutTree()
getFuel()
turtle.dig()
turtle.forward()
turtle.digUp()
chopDatStuffUp()
turtle.dig()
turtle.forward()
turtle.turnLeft()
turtle.dig()
turtle.forward()
turtle.turnLeft()
chopDatStuffDown()
turtle.dig()
turtle.forward()
turtle.forward()
end
function dropItems()
for i = 2, 14 do
  if i~=3 then
  turtle.select(i)
  turtle.dropDown()
  end
  end
turtle.turnLeft()
turtle.forward()
turtle.turnLeft()
end
function doStuff()
height=0
getFuel()
callTree()
cutTree()
dropItems()
end
doStuff()