ok, I type screen -r


and...appear:


here are several suitable screens on:
   12404.pts-0.doge3   (12/19/2013 10:21:39 AM)   (Detached)
   12287.pts-0.doge3   (12/19/2013 10:05:08 AM)   (Detached)
Type "screen [-d] -r [pid.]tty.host" to resume one of them.

...now??