by@satos___jp
WA
using System;class E{static void Main(){for(int i=50;--i>0;)Console.Write(Math.Sqrt(8*Convert.ToInt32(Console.ReadLine(),2)+1)%2==1?1:0);}}10011001 01001110 00001010 00101111 11101000 00000110 01010001 00011100 01101001 00101101 01101101 10110000 00000000 11000011 00011010 00100100 01011011 00000001 01000001 11000111 01001011 01001100 10110100 10000110 11100111 00001111 00010101 10101011 11010010 10001011 11110000 11000101 11011011 01000010 10101100 00110111 01010110 00000011 11101110 10001000 01000011 10011001 10100100 10111110 11111101 10100111 01000101 11110001 01111000 01001110
1110010111001001110000001111100001010101010110001