node, 49 bytes

Result

WA

Code [DL]

(p=require('fs')).write(1,p.readFileSync(0).sort)

stdin

5080944024582315718557403837227439601078621640837543332280031774235025301246290583044207806516654876

stdout

function sort() { [native code] }

stderr

(node:5) DeprecationWarning: Calling an asynchronous function without callback is deprecated.

strace