new

local input = read()
 function mine()
  for i=1,63,1 do

    turtle.dig()
    turtle.digDown()
    turtle.forward()

  end
 end


for d=1,4,1 do
    mine()
  if input == "left" then
    turtle.turnLeft()
 end
 if input == "right" then
 turtle.turnRight()
  end
 end