cjam, 20 bytes

Result

WA

Code [DL]

{li10b2b8*).5#1%!o}h

stdin

00100110
00011100
00100100
10100110
11100111
10110000
10011000
01001011
10101100
00000001
00000011
01001110
10001000
10111110
01111000
01010110
10110101
01101101
00000011
11011111
11100010
10101011
00001010
10101111
11111100
10001001
11010111
11010010
01011011
01101001
00110111
01000001
01110011
11000110
10100010
00000110
11010100
11000001
11111101
00000000
01111001
10011001
00001111
01110010
01000010
00001010
00001000
00101101
00010101
10100001

stdout

0

stderr

{li10b2b8*).55#1%!o}h
                   ^
ArrayIndexOutOfBoundsException: -1
Java exception:
java.lang.ArrayIndexOutOfBoundsException: -1
	at java.util.ArrayList.elementData(ArrayList.java:418)
	at java.util.ArrayList.get(ArrayList.java:431)
	at net.aditsu.cjam.CJam.peek(CJam.java:86)
	at net.aditsu.cjam.Ops$30.calc(Ops.java:912)
	at net.aditsu.cjam.Op1.run(Op1.java:11)
	at net.aditsu.cjam.Block.run(Block.java:302)
	at net.aditsu.cjam.CJam.runCode(CJam.java:206)
	at net.aditsu.cjam.CJam.main(CJam.java:236)

strace