c-gcc, 67 bytes

Result

WA

Code [DL]

#include<string.h>
*s;main(){qsort(gets(s),100,1,strcmp);puts(s);}

stdin

1144131807639002428626966453384248801718054102862900335425955426594363549599049705517612391431821365

stdout

stderr

/volume/CODE.c:2:1: warning: data definition has no type or storage class
 *s;main(){qsort(gets(s),100,1,strcmp);puts(s);}
 ^
/volume/CODE.c:2:2: warning: type defaults to ‘int’ in declaration of ‘s’ [-Wimplicit-int]
 *s;main(){qsort(gets(s),100,1,strcmp);puts(s);}
  ^
/volume/CODE.c:2:4: warning: return type defaults to ‘int’ [-Wimplicit-int]
 *s;main(){qsort(gets(s),100,1,strcmp);puts(s);}
    ^
/volume/CODE.c: In function ‘main’:
/volume/CODE.c:2:11: warning: implicit declaration of function ‘qsort’ [-Wimplicit-function-declaration]
 *s;main(){qsort(gets(s),100,1,strcmp);puts(s);}
           ^
/volume/CODE.c:2:17: warning: implicit declaration of function ‘gets’ [-Wimplicit-function-declaration]
 *s;main(){qsort(gets(s),100,1,strcmp);puts(s);}
                 ^
/volume/CODE.c:2:39: warning: implicit declaration of function ‘puts’ [-Wimplicit-function-declaration]
 *s;main(){qsort(gets(s),100,1,strcmp);puts(s);}
                                       ^
/tmp/ccQA8mw7.o: In function `main':
CODE.c:(.text.startup+0xe): warning: the `gets' function is dangerous and should not be used.
/home/esolang/bin/c-gcc: line 4:    11 Done                    cat -
        12 Segmentation fault      (core dumped) | /tmp/code

strace