c-gcc, 56 bytes

Result

WA

Code [DL]

main(c,*s){strcmp(qsort(gets(s),100,1,strcmp));puts(s);}

stdin

8176933807115203487212338448147225337260494459905169671239758007004427215540260343814958073302985915

stdout

stderr

/tmp/code.c:1:8: error: expected ‘)’ before ‘*’ token
 main(c,*s){strcmp(qsort(gets(s),100,1,strcmp));puts(s);}
        ^
/home/esolang/bin/c-gcc: line 6: /tmp/code: No such file or directory
rm: cannot remove '/tmp/code': No such file or directory

strace