Failing to pass a test case

#1

In “Chewbacca and Number” question i am not able to pass the test case 2. Other test cases are passed except 2. Plz help!

#2

hello @shankhanilborthakur
check ur code output for 998

output should be 901 urs is giving 991.
u can convert 9 to 0 if its is not on rightmost place.