-- Function to dig forward safely
local function digForward()
    while not turtle.forward() do
        turtle.dig()
    end
end

-- Function to move the turtle down safely
local function moveDown()
    while not turtle.down() do
        turtle.digDown()
    end
end

-- Function to dig stairs downwards
local function digStairsDown(count)
    for i = 1, count do
        turtle.dig()      -- Dig forward
        digForward()      -- Move forward
        moveDown()        -- Move down
        turtle.digDown()  -- Dig down
    end
end

-- Function to parse command line arguments
local function parseArgs(args)
    local count = tonumber(args[1])
    return count
end

-- Get command line arguments
local tArgs = {...}
local stairsCount = parseArgs(tArgs)

-- Check if the number of stairs is provided
if not stairsCount then
    print("Usage: digStairsDown <number_of_stairs>")
    return
end

-- Start digging stairs down
digStairsDown(stairsCount)