apt-cache policy i3
i3:
  Installed: 4.13-1~~yakkety1
  Candidate: 4.13-1~~yakkety1
  Version table:
 *** 4.13-1~~yakkety1 500
        500 http://debian.sur5r.net/i3 yakkety/universe i386 Packages
        100 /var/lib/dpkg/status
     4.12-2 500
        500 http://us.archive.ubuntu.com/ubuntu yakkety/universe i386 Packages