by@moratorium08
WA
for(;;)print(+!(Math.sqrt(8*parseInt(java.lang.System.in.readLine(),2)+1)%1))
01110000 00001100 00011100 01111000 00000011 01001111 11110100 10101011 11101100 01000000 10111110 10110011 00001010 00100010 11111101 00000110 11101001 10011001 10110100 00110100 11100111 01101100 00110101 10011001 01101001 01000010 00000001 00000000 11000000 00110111 11001101 00101100 00010101 01000100 01100110 10000111 00100111 00000011 00100100 10110110 11010010 00000111 00001111 01011011 10001000 10010101 01001110 10001101 00101101 00101000
js: uncaught JavaScript runtime exception: TypeError: Cannot find function readLine in object java.io.BufferedInputStream@449b2d27.