For as long as possible:

From 0:00-3:00
2 rounds of:
5 bench press, 135 lb.
5 pull-ups

From 3:00-6:00
2 rounds of:
6 bench press, 135 lb.
6 pull-ups

From 6:00-9:00
2 rounds of:
7 bench press, 135 lb.
7 pull-ups

Etc., following same pattern

** 8 bench press