csharp, 130 bytes

Result

WA

Code [DL]

using System;class _{void Main(){for(int i=0;i++<50;Console.Write(Math.Sqrt(1+8*Convert.ToByte(Console.ReadLine(),2))%1>0?0:1));}}

stdin

00001010
01110011
00011001
00000110
00000011
01010001
00100100
11100111
11110011
10111010
10100110
11111101
01011010
10001000
00100100
01101001
11101111
00000101
11000001
00011100
10111100
01111101
10011001
01111000
01111011
00100000
01100101
00000001
10001001
00101101
11000011
00110111
01010110
00000000
01001110
01000010
10111110
00001111
01011110
11010010
01011011
00011111
00111100
00000010
11011110
00010101
00000110
11101100
10101011
10100000

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