$ /usr/bin/time ./perlmouse ; /usr/bin/time ./ray_johnson -9 + 8 * 7 + 654 * 3 - 2 - 1 == 2006 9 + 8 * 7 + 654 * 3 - 21 == 2006 9 + 8 * 7 * 6 * 5 - 4 + 321 == 2006 9 * 8 - 7 + 654 * 3 - 21 == 2006 56.60user 0.19system 2:04.01elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (356major+87minor)pagefaults 0swaps -9+8*7+654*3-2-1 == 2006 9+8*7+654*3-21 == 2006 9+8*7*6*5-4+321 == 2006 9*8-7+654*3-21 == 2006 56.98user 3.45system 2:43.21elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (398major+21556minor)pagefaults 0swaps