My first day of workout

So I finally decided to workout which I've been promising myself I would start since January.

January didn't work since I was traveling alot.

February didn't work either since I hurt my shoulder and could hardly move it.

So I finally started and how do I start? I first forget the code to get into the gym. Then some guy with his two kids are in there, the kids playing all over the machine which is just annoying. Then after working out for only 15 minutes, the elliptical machine stopped working and then 5 minutes later, the machine reset itself. I am not starting on a good foot.