Low stakes, HEADS UP TOURNAMENT ZOOM. two spots. All in pre-flop.

I was playing Low stakes Heads Up,do you think I can't fold these two spots? Hands are good, but I'm not short.

HAND #1

PokerStars, $3.02 + $0.28 - Hold'em No Limit - 100/200 (25 ante) - 2 players
Hand delivered by Pokeit

SB: 15,478 (77 bb)
BB (Hero): 7,410 (37 bb)

Pre-Flop: (350) Hero is BB with K♠ A♥
SB raises to 15,453 (all-in), Hero calls 7,185 (all-in)

HAND #2

PokerStars, $3.02 + $0.28 - Hold'em No Limit - 300/600 (70 ante) - 2 players
Hand delivered by Pokeit

SB (Hero): 17,654 (29 bb)
BB: 28,688 (48 bb)

Pre-Flop: (1,040) Hero is SB with J♠ A♦
Hero raises to 1,200, BB 3-bets to 28,618 (all-in), Hero calls 16,384 (all-in)