by@kurgm
AC
import std.stdio,std.math;void main(){int a,i;for(;i++<50;write(1-(sqrt(1+a*8.)%1>0)))readf("%b ",&a);}11111101 00101101 11101001 00001101 00101100 01000010 00010101 01111110 10011010 10011000 01011011 00000011 01000110 10100110 00001000 10110110 00001111 01101010 11100111 00000110 01000010 00001010 00101010 00001001 01111111 10111110 00000000 10110101 10011001 10101011 10011011 11010010 00100100 01000100 10000110 01101001 00000001 00000010 10001000 00011100 11110111 01011011 00010010 00110111 11101011 01111010 01001110 01111000 00110101 01010001
11000110001100001011110001101101100110110101001100