csharp, 131 bytes

Result

WA

Code [DL]

using System;class E{void Main(){for(int i=51;--i>0;)Console.Write(Math.Sqrt(8*Convert.ToByte(Console.ReadLine(),2)+1)%2==1?1:0);}}

stdin

01001110
10101011
00000011
01011011
00000000
01010111
11111001
01111000
00001010
00100100
01111001
00000001
10110111
00101000
00011100
00110111
00111100
10001000
11011010
11010010
00010010
00110100
00010101
11000001
11111101
01101001
10011110
01010010
10111100
10011001
10001000
01000010
11100111
01101101
00010100
00101101
01000010
00001111
00001110
00001011
10101110
10111110
10100001
11100001
10010001
01101000
10010111
00000110
01101010
01011001

stdout

Compilation failed: 1 error(s), 0 warnings

stderr

error CS5001: Program `code.exe' does not contain a static `Main' method suitable for an entry point
Cannot open assembly '/tmp/code.exe': No such file or directory.
rm: cannot remove '/tmp/code.exe': No such file or directory

strace