ground builder 1

	local i=1
	turtle.select(i)
	local x=read()
	local y=read()
	local ix=1
	for k=1,x do
		ix=k
	end
	function notemp()
	local currentItem = turtle.getItemDetail(i)
    if currentItem == nil then
    	i=i+1
    	turtle.select(i)
    	end
	end
	turtle.up()
	for i=1,y do
		for j=1,x do
			notemp()
			turtle.placeDown()
			if j<x then
				turtle.forward()
			end
		end
		if (i%2)==0 then
			turtle.turnLeft()
			turtle.forward()
			turtle.turnLeft()
		else
			turtle.turnRight()
			turtle.forward()
			turtle.turnRight()
		end
	end