by@moratorium08
ERROR
<?php while(1){$j=sqrt(8*bindec(fgets(STDIN))+1);print 1^$j<=>floor($j);}10011001 00101101 11000101 11010010 00100100 00111111 11111000 00011101 10111010 00011100 00000011 10101011 00001010 01110110 10000101 11100111 11011000 00010101 01010000 01100010 11011011 00000110 11000100 00000100 01101111 10110001 11010101 11111101 01011110 00000000 10001011 01001101 01101001 00110111 01111000 00000101 00001111 01110011 00010010 11010000 01011011 10001000 10000010 01000010 00000001 10111110 10011001 01001110 00000001 10101000