node, 51 bytes

Result

WA

Code [DL]

(q=require("fs")).write(0,q.readFileSync(0).sort())

stdin

3908281279952247062830246696654302901705733308847107627441518647040894594394967239260321571170349108

stdout

stderr

(node:5) DeprecationWarning: Calling an asynchronous function without callback is deprecated.
fs.js:92
      throw err;  // Forgot a callback but don't know where? Use NODE_DEBUG=fs
      ^

Error: EBADF: bad file descriptor, write

strace