500
This is one skill for Katniss and one skill for Peeta.
What is:
Katniss: knife throwing, find & identify edible plants, climb & hide in trees, make snares & traps, knows how to fish, can swim, and skilled with bow & arrow.
Peeta: is strong (can lift 100 lb. bags of flour easily), excellent wrestler, good at hand-to-hand combat, and can camouflage himself.