I THINK yes. You’ll just get given a bogey for each hole, thus +18 score of (probably) 90. You’ll finish in the bottom 2-3, depending on how many others do the same...
However, I need someone with more experience, credibility and reputation for understanding WGT than I.
But I think you can...but wait for someone to crack me up or contradict me and explain why you can’t and what you can do to get the ball in the easiest manner possible (which I assume from your comment you’re after, right?