When you combine it, it could be 1 third chance fair, 2 thirds chance unfair. So that's 24.19. I'm keeping the precision just because it might come in useful later. Percent chance. So that's the probability of B. So let's see if we can clean this up a little bit, just because I don't think we need all of this writing now. I think we're ready to substitute into our Bayes formula, which we, Bayes' theorem that we re-derived.