Result

WA

Code [DL]

<?php $a=readline();sort($a);echo improde($a);

stdin

3885695194768993653961748251048277096595076644861656178485238403391105737587230143555947247162215152

stdout

stderr

PHP Warning:  sort() expects parameter 1 to be array, string given in /volume/CODE on line 1
PHP Fatal error:  Uncaught Error: Call to undefined function improde() in /volume/CODE:1
Stack trace:
#0 {main}
  thrown in /volume/CODE on line 1

strace