Result

WA

Code [DL]

a=process.stdin
a.on('readable',()=>console.log(a.stdin.read()))

stdin

11000010
00100100
11001100
10011001
00101001
10111010
00000100
11111101
00001010
10100011
11100110
01001110
00011100
01100111
10101001
11000110
00101101
01011011
00100110
10010001
01001110
00101110
10111110
00000011
01101001
11110001
00010111
11000001
10011010
00000001
00000000
00110011
10101011
10001011
01011010
00001111
11010010
00000110
01010000
10001000
11100111
00101111
00010101
00001001
10001000
11101000
11000100
00110111
01111000
01000010

stdout

stderr

/volume/CODE:2
a.on('readable',()=>console.log(a.stdin.read()))
                                       ^

TypeError: Cannot read property 'read' of undefined
    at ReadStream.a.on (/volume/CODE:2:40)
    at emitNone (events.js:105:13)
    at ReadStream.emit (events.js:207:7)
    at emitReadable_ (_stream_readable.js:516:10)
    at emitReadable (_stream_readable.js:510:7)
    at addChunk (_stream_readable.js:277:7)
    at readableAddChunk (_stream_readable.js:253:11)
    at ReadStream.Readable.push (_stream_readable.js:211:10)
    at onread (fs.js:2003:12)
    at FSReqWrap.wrapper [as oncomplete] (fs.js:664:17)

strace