screen

local modem = peripheral.wrap("right")
local monitor=peripheral.wrap("left")
modem.open(3)  -- Open channel 3 so that we can listen on it
local event, modemSide, senderChannel,
  replyChannel, message, senderDistance = os.pullEvent("modem_message")

while true do
monitor.setCursorPos(1,1)
  monitor.write(..message)
  sleep(3)
  monitor.clear()
end