octave, 71 bytes

Result

WA

Code [DL]

for i=0:49
	g=base2dec(fgetl(stdin),2);
	disp((8*g+1)**0.5%2==1)
endfor

stdin

01101001
10001110
00010101
11100011
10101011
11110111
11001000
01111011
00101101
10101001
11010110
01110001
11100111
00110000
00101101
00100101
01001110
01101111
01000010
11010010
10011001
00100100
10111110
00111010
10000100
11100101
00001010
10100010
11001111
00000000
11011100
00000011
00000110
01010010
11111101
11011010
10001000
01110100
00000001
00011100
11100111
00001111
01101010
01011011
01100011
01111000
11101001
11000111
01101011
00110111

stdout

stderr

octave: X11 DISPLAY environment variable not set
octave: disabling GUI features
parse error near line 4 of file /volume/CODE

  syntax error

>>> endfor
         ^

error: source: error sourcing file '/volume/CODE'
error: execution exception in /volume/CODE

strace