write("Enter Length/Width of Cube: ")
local len = tonumber(read())
local leng = 0
local side = 0
local eoo = 1
local x = 1

write("Enter Height of Cube: ")
local hei = tonumber(read())
local heig = 0

for heig = 0, hei do
    for i = 1, len do
        for leng = x, len do
            turtle.dig()
            turtle.forward()
        end
        if eoo % 2 == 1 then
            turtle.turnRight()
            turtle.dig()
            turtle.forward()
            turtle.turnRight()
        else
            turtle.turnLeft()
            turtle.dig()
            turtle.forward()
            turtle.turnLeft()
        end
    eoo = eoo + 1
    end
    x = 1
    turtle.digUp()
    turtle.up()
    if len % 2 == 1 then
        turtle.turnRight()
    else
        turtle.turnLeft()
    end
end