empf2

local modem = peripheral.wrap("back")
modem.open(1)--Open channel 3 so that we can listen on it
local oldMessage = ""
while true do
	local event, modemSide, senderChannel, replyChannel, message, senderDistance = os.pullEvent("modem_message")
	if event == "modem_message" then
		if message == oldMessage then

		else
			term.clear()
			print(message)
		end
	end
end