node, 73 bytes

Result

ERROR

Duration

629ms

Code [DL]

console.log((""+require("fs").readFileSync(z=0)).replace(/./g,q=>z^=q%2))

stdin

1111110111001011010010011000101010111111001010100010100011101000000010100010101011001110100101100010

stdout

1010100101110010011100010000110011010101110011000011000010110000000011000011001101110100111001000011

stderr

strace