by@moratorium08
WA
for(;;)print(+!(Math.sqrt(8*parseInt(new java.io.DataInputStream(System.in).readLine(),2)+1)%1))
10110110 00110111 01001110 10011001 00001010 11010010 00101000 00001111 10101011 10111101 10001010 10111110 01100111 00010010 00000110 00100100 00100000 10001000 10001101 01011011 11010101 00000001 00100101 11100111 10110010 01101001 00111011 10011100 00001011 00000000 10001100 11111101 10100100 00100001 00010011 01111000 00101101 01000010 00000011 01000000 01000111 01101101 11011110 00000100 10101011 00011100 11010010 01010101 11110010 00010101
js: uncaught JavaScript runtime exception: ReferenceError: "System" is not defined.