0
56 and 179, because most of others are taken.
Proof:
>>> import random
>>> taken = set([0, 1, 200, 2, 198, 97, 88, 13, 111, 6, 28, 133, 55, 7, 70, 29, 5, 17, 23, 199, 91, 131, 123, 132, 4, 76, 50, 150, 8, 63, 18, 67, 64, 144, 26, 197, 80, 112, 16, 109, 42, 108, 84, 157, 119, 120, 101, 102, 57, ...