Could not get into Math 3A, should I take 31A

Colleges and Universities A-Z University of California - Los Angeles
1

<p>Hi,
Thing is 3A was completely full. Should I take 31A instead?
I scored 4 on AP calculusAB. My school didn't offer BC. With only CalcAB, how hard will calc 31A be?
Thnx</p>