by@kurgm
AC
using System;public class M{public 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);}}00001111 10001100 00100100 01011011 01110111 11101101 01111000 01010101 11110100 01000010 00110111 10000100 00001101 11011100 10100000 11100111 11101110 00000000 11101100 00011100 10011001 00010101 01101001 11101011 00100010 11111101 00000110 10111110 00001100 00001010 10101011 11010000 10010100 01000100 10000101 10001000 11010010 01111000 10111011 11000101 00000011 00110111 00000001 00101101 11010101 00011010 10001011 01010110 01001110 11000000
10110010011000010101111001110110000111001111000010