Input (grade 13): Since the 1980s, having branched away from stand-up comedy, he has become a successful actor, playwright, pianist, banjo player, and juggler, eventually earning Emmy, Grammy, and American Comedy awards.
Output (grade 12): Martin also wrote for John Denver (a neighbor of his in Aspen, Colorado at one point), The Glen Campbell Goodtime Hour, and The Sonny and Cher Comedy Hour.