Result

WA

Code [DL]

while 1:x=1^((1+8*int(input(x),2))**.5%1>0)

stdin

00000110
01011100
01100010
01011010
01010010
00100011
01101001
11000111
00101101
01011110
10101111
11010010
10011001
10111110
10001000
01100000
11101011
01000010
10101110
01110111
01010100
00100100
00001010
01001110
00000000
00001001
01111000
10111000
11011100
10000010
11111101
00000001
01101001
00110111
11100111
00100111
10101011
10110011
00010101
10011101
10011110
11001011
00000011
10101000
00001111
00011100
01011011
11101100
01110101
00000000

stdout

stderr

Traceback (most recent call last):
  File "/volume/CODE", line 1, in <module>
    while 1:x=1^((1+8*int(input(x),2))**.5%1>0)
NameError: name 'x' is not defined

strace