You check both lights and no one is there. You shut the right door and see Foxy in the cameras just as he bursts into your room.

-YOU DIED- NIGHT 5 1 AM 1 LIFE REMAINING!

Close the left door then check cams

Or

Close the right door then check cams

Or

Close both doors and check cams

Or

Close no door and check cams

Or

Check lights then Close the left door then check cams

Or

Check lights then Close both doors then check cams

Or

Check lights then Close nether door then check cams

(There is no one at either door)