rdmd, 134 bytes

Result

WA

Code [DL]

import std.stdio;
import std.array;
import std.conv;
import std.math;
void main(){
for(int i=50;--i;){
writeln(to!int(readln(),2));
}}

stdin

11010101
10111011
10100011
11111101
00001111
10101101
10001000
00101101
01000010
01101101
11001111
11010011
11100111
10011001
01111000
01001110
11110100
11111100
10101011
11001010
10101111
01110010
00000001
10110010
01110001
00001010
00011100
11101010
00000110
11000001
10000001
00000000
11010010
00100100
00110111
01000011
10010011
00011101
00000011
01001100
01011000
00110101
00010101
10111110
01001110
01101001
10000100
00010111
00000000
01011011

stdout

stderr

std.conv.ConvException@/usr/include/dmd/phobos/std/conv.d(1824): Unexpected '
' when converting from type string to type int
----------------
??:? pure @safe int std.conv.toImpl!(int, immutable(char)[]).toImpl(immutable(char)[], uint) [0x4415f2]
??:? pure @safe int std.conv.to!(int).to!(immutable(char)[], int).to(immutable(char)[], int) [0x43d010]
??:? _Dmain [0x43cbe6]

strace