Yes, both will get in. I'm not sure they'll both be 1st ballot HOF'ers...but they will both get in and deseveredly so.
Glavine 305 wins, over 2600 K's, over 4000 IP, Cy Young winner.
Smoltz 213 victories and 154 saves, 3084 K's, Cy Young, one of the best post-season pitchers in the history of the game.