Script fails at beneficaries selection,cant select index number.

[anu-123-design]

src>python covid-vaccine-slot-booking..py

Enter comma separated index numbers of beneficiaries to book for : public read public write
invalid literal for int() with base 10: 'public read public write '
Exiting Script
Press any key to continue .

Any hint available to get rid of this issue?
(public read public write is coming from kvdb.io)

Thanks,

[anu-123-design]

working again without any issue