Impossible Spot with 33

What the hell do you do when villain overshoves river like this??!! >.<'''''''' LOL

PokerStars Game #50799266606: Tournament #319062942, $15+$1 USD Hold'em No Limit - Level I (10/20) - 2010/10/08 15:58:46 ET
Table '319062942 1' 9-max Seat #4 is the button
Seat 1: mmm666lol (1500 in chips)
Seat 2: puyan (1490 in chips)
Seat 3: TimoHoliC23 (1470 in chips)
Seat 4: dr.th1rt33n (1500 in chips)
Seat 5: WaltonBda (1480 in chips)
Seat 6: pokerosten (1560 in chips)
Seat 7: TheSaladFork (1500 in chips)
Seat 8: rasberryrip (1500 in chips)
Seat 9: jllewis126 (1500 in chips)
WaltonBda: posts small blind 10
pokerosten: posts big blind 20
*** HOLE CARDS ***
Dealt to puyan [3d 3h]
TheSaladFork: raises 60 to 80
rasberryrip: folds
jllewis126: folds
mmm666lol: folds
puyan: calls 80
TimoHoliC23: folds
dr.th1rt33n: folds
WaltonBda: calls 70
pokerosten: calls 60
*** FLOP *** [3c 5d 3s]
WaltonBda: checks
pokerosten: bets 80
TheSaladFork: folds
puyan: calls 80
WaltonBda: folds
*** TURN *** [3c 5d 3s] [7h]
pokerosten: bets 160
puyan: calls 160
*** RIVER *** [3c 5d 3s 7h] [7c]
pokerosten: bets 1240 and is all-in
puyan: calls 1170 and is all-in
Uncalled bet (70) returned to pokerosten
*** SHOW DOWN ***
pokerosten: shows [7s 8h] (a full house, Sevens full of Threes)
puyan: shows [3d 3h] (four of a kind, Threes)
puyan collected 3140 from pot
*** SUMMARY ***
Total pot 3140 | Rake 0
Board [3c 5d 3s 7h 7c]
Seat 1: mmm666lol folded before Flop (didn't bet)
Seat 2: puyan showed [3d 3h] and won (3140) with four of a kind, Threes
Seat 3: TimoHoliC23 folded before Flop (didn't bet)
Seat 4: dr.th1rt33n (button) folded before Flop (didn't bet)
Seat 5: WaltonBda (small blind) folded on the Flop
Seat 6: pokerosten (big blind) showed [7s 8h] and lost with a full house, Sevens full of Threes
Seat 7: TheSaladFork folded on the Flop
Seat 8: rasberryrip folded before Flop (didn't bet)
Seat 9: jllewis126 folded before Flop (didn't bet)