node, 66 bytes

Result

WA

Duration

668ms

Code [DL]

console.log(require("fs").readFileSync(z=0).map(q=>z^=q%2).join``)

stdin

1011011001010100111001111010010010010111001110111000011111011000010101101001000111000110010100101011

stdout

11011011100110001011101011000111000110100010110100000101011011111001101100011110100001000110001100100

stderr

strace