-- Load the required components
local modem = peripheral.find("wired_modem") -- Wired modem peripheral
local redstone = peripheral.find("redstone") -- Redstone peripheral

-- Function to handle messages
local function handleMessage()
    while true do
        local event, side, senderChannel, replyChannel, message, distance = os.pullEvent("modem_message")

        -- Check if the message is from computer_3
        if senderChannel == 3 then
            -- Check the message content
            if message == "ON" then
                -- Activate the redstone signal on the left side
                redstone.setOutput("left", true)
                print("Signal received: ON")
                sleep(5) -- Wait for 5 seconds
                redstone.setOutput("left", false) -- Deactivate the redstone signal after 5 seconds
            elseif message == "OFF" then
                -- Activate the redstone signal on the right side
                redstone.setOutput("right", true)
                print("Signal received: OFF")
                sleep(5) -- Wait for 5 seconds
                redstone.setOutput("right", false) -- Deactivate the redstone signal after 5 seconds
            end
        end
    end
end

-- Run the function to handle messages
handleMessage()