How to convert date from $9. to ddmmyy8. ?

[J111]

Hello,

What is the best way to convert Have data to Want data ?

From 30OCT2021 to 301021 without informat as 30OCT2021 is actually created during a data step 

Thanks

-----------------------------------------------------------------
Data Have ;
input x9 $9. ;
cards ;
30OCT2021
3NOV2022
;
Run ;

------------------------------------

Data Want ;
input x10 ddmmyy8. ;
format x10 ddmmyy8. ;
cards ;
30102021
03112022
;
run ;