print("Suzenj Surovinar")
print("Koliko grem naprej: ")

naprej = read()

function dva() do
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.dig()
    turtle.forward()
    turtle.digUp()
	turtle.dig()
	turtle.forward()
	turtle.digUp()
end
end

function vrnitev() do
	for i=1, naprej*2 do
		turtle.back()
	end
end
end

function dvaReturn() do
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.dig()
    turtle.forward()
    turtle.digUp()
    turtle.back()
    turtle.back()
end
end

for i=0, naprej do
    dva()
    turtle.turnLeft()
    dvaReturn()
    turtle.turnRight()
    turtle.turnRight()
    dvaReturn()
    turtle.turnLeft()
end

vrnitev()