python3, 46 bytes

Result

WA

Code [DL]

while 1:int(int(not (int(input()*8+1)**.5%1)))

stdin

00100100
11100010
11010101
01011110
01001110
00000011
00001111
00000110
11001101
00011100
00111001
01101001
01111000
10011001
00000101
10101011
01111000
10110010
01011100
00010101
10101100
01110111
11011001
01011011
01000001
01010101
10100100
00101010
10001000
00100101
00010000
10001000
00110111
11111101
11101001
11100111
00110001
10000000
00101101
11100101
00011001
01000010
00000000
10111110
10110000
11010010
01111010
00001010
00000001
11010011

stdout

stderr

Traceback (most recent call last):
  File "/volume/CODE", line 1, in <module>
    while 1:int(int(not (int(input()*8+1)**.5%1)))
TypeError: Can't convert 'int' object to str implicitly

strace