platform

function line(x) do
 for i=1,x do
  turtle.forward()
  turtle.placeDown()
 end
end

--GLAVNI PROGRAM

local tArgs = {...}
local a = 0
local b = 0
a = tonumber(tArgs[1])
b = tonumber(tArgs[2])

for i=1,b do
 line(a)
 if i%2==1 then
  turtle.turnRight()
  turtle.turnRight()
 else
  turtle.turnLeft()
  turtle.turnLeft()
 end
end