by@kurgm
AC
using System;class _{static void Main(){for(int i=50;i-->0;)Console.Write(1==Math.Sqrt(Convert.ToInt32(Console.In.ReadLine(),2)*8+1)%2?1:0);}}10101011 11010011 00001111 00000110 10010010 10101100 00110111 00000101 00101101 00010100 11011011 00000011 11111101 11101010 00101110 00000001 00001010 01000011 11010010 00000001 10110101 01111000 10001000 00100101 10100100 01011100 00000000 01011111 01000010 11100111 11111110 00011100 11000011 00101101 01110100 01001110 00100100 10111110 01011000 00010101 10011001 01101001 10001011 10000100 01111100 10110011 01011011 11100100 11010000 01000111
10110010100110011011011000101101010111011100001000