$6 77 push or fold?

[LuckyJohn]

Party Poker No-Limit Hold'em Tourney, Big Blind is t200 (9 handed) Hand History converter Courtesy of PokerZion.com

Hero (t1530)
Button (t1120)
SB (t3100)
BB (t880)
UTG (t2790)
UTG+1 (t720)
MP1 (t2590)
MP2 (t2610)
MP3 (t4660)

Preflop: Hero is CO with 7[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">UTG raises to t400</font>, UTG+1 calls t400, MP1 calls t400, <font color="#666666">2 folds</font>

Hero?