local k = ""
local p = ""

function chop()
p = 0
  for i = 1, 20 do
    if turtle.detect()
    then
      turtle.digUp()
      turtle.dig()
      turtle.up()
      p = p + 1
    else
      for i = 1, p do
        turtle.down()
      end
      break
    end
  end
end

function check()
turtle.up()
  while not turtle.detect() do
  sleep(5)
  end
turtle.down()
end

function plant()
  turtle.place()
  redstone.setOutput( "right", true )
  sleep(1)
  redstone.setOutput( "right", false)
end

---Mainprog
term.write("How many trees you want chopped?: ")
  k = read()

for i = 1, k do
  plant()
  check()
  chop()
  print("Timber!!!")
  sleep(3)
end