Don't worry, reserved seats get freed up at some point very soon, I think. And if you don't get in now, you'll get in at drop & add. They would never let a promising funding unit go to waste.
The courses are both utterly worthless anyway, so if worst comes to worst you can take them in summer by just reading the book and showing up for tests. I mean literally, I have never seen any class more useless than those two.