AMC 12 2013b Problem 7

Jo and Blair take turns counting from $1$ to one more than the last number said by the other person. Jo starts by saying $``1"$, so Blair follows by saying $``1, 2"$. Jo then says $``1, 2, 3"$, and so on. What is the $53^{\text{rd}}$ number said?

\textbf{(A)}\ 2 \textbf{(B)}\ 3 \textbf{(C)}\ 5 \textbf{(D)}\ 6 \textbf{(E)}\ 8