by@hakatashi
AC
c=new java.util.Scanner(java.lang.System.in);for(;c.hasNext();)print(+!(Math.sqrt(8*parseInt(c.nextLine(),2)+1)%1))
01011011 00010001 01101001 00011011 01010010 00010011 11000010 01111000 00000001 00001111 10001001 00000011 01000010 10010010 11101110 01110000 10101011 00001010 10111110 10010101 11111101 00101111 11110101 11010010 00111000 00100100 10001000 10110011 11100010 11100011 11011100 00110111 01001110 00010010 11010000 00011100 00010101 00000000 10011010 11100111 10111111 01000010 01011100 00101101 00101101 00000110 00011110 01111111 10011001 01010101
1 0 1 0 0 0 0 1 1 1 0 1 1 0 0 0 1 1 1 0 1 0 0 1 0 1 1 0 0 0 0 1 1 0 0 1 1 1 0 1 0 1 0 1 1 1 0 0 1 0