mon = peripheral.wrap("right")
term.redirect(mon)


while true do
  term.clear()
  term.setCursorPos(1,1)
  --    "|------------------------|")
  print("   Welcome to mstiles92's")
  print("       Trading Post!")
  print("")
  print("  Uranium greatly needed!")
  print(" Trade it in for diamonds,")
  print("   or sell it to me here")
  print("")
  print("  Trade items on back wall")
  print("   Sell on the right wall")
  print("    Buy on the left wall")

  local sEvent, param = os.pullEvent("key")
  if param == 61 then    -- pressing F3 terminates
    term.restore()
    print("Exiting...")
    sleep(1)
    mon.clear()
    break
  end
end