python1, 52 bytes

Result

WA

Code [DL]

print ''.join(map(str,sorted(map(int,raw_input()))))

stdin

2489919767380459215573292904786631257262326130641576482637755474849258549270544078787552482420217799

stdout

stderr

Traceback (innermost last):
  File "/volume/CODE", line 1
    print ''.join(map(str,sorted(map(int,raw_input()))))
TypeError: attribute-less object

strace