##[3var](http://esolangs.org/wiki/3var), <s>14</s> 11 bytes##

    iiisd        # set A to 8
         -       # set R to A-B: 8-0 = 8
          <      # set B to R
           *     # set R to A*B: 8*8 = 64
            >    # set A to R
             i   # increment A
              P  # print A as ascii

[Try it online](http://3var.tryitonline.net/#code=aWlpc2QtPCo-aVA&input=)