node, 66 bytes

Result

WA

Duration

620ms

Code [DL]

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

stdin

0101001111000110001001100111100001100100011001001101011111011000010101001110111101010111101001111110

stdout

01100010100001000011101110101111101110000100011101100101011011111001100010110101100110101100010101000

stderr

strace