by@kurgm
AC
import std.stdio,std.math;void main(){int a;for(;readf(" %b",&a);)write(1-(sqrt(1+a*8.)%1>0));}10100010 00000001 10011001 10110010 00110010 00000011 01100011 11100111 10001101 10000111 01001010 00110111 00101101 10111110 00111110 00000110 11111101 11010010 00011100 10111010 00000011 00001111 11001010 11000001 00110001 01001110 00101001 11111010 00100100 10101011 10001000 01101001 11111001 01001110 10111011 00001001 00001010 01000010 00010101 01111000 10000010 01011011 01000101 11111110 11000000 10101110 00000000 01100110 10100111 10011101
01100101000111011110110001001111010011110100001000