2002 Pascal Problem 5

Sofia entered an elevator. The elevator went up seven floors, then down six floors, and finally up five floors. If Sofia got out on the twentieth floor, then she entered the elevator on floor number

\textbf{(A)}\ 14\quad \textbf{(B)}\ 2\quad \textbf{(C)}\ 16\quad \textbf{(D)}\ 38\quad \textbf{(E)}\ 26

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Pascal contests here.