How to configure Fingerprint scanner & RFID using same arduino nano?

Can anyone help me about how to configure both simultaneously?
Can i use same Rx of nano for connecting Tx of both RFID & Fingerprint scanner.
I want its working to be like if i access through fingerprint then a vote is counted and if i access through rfid tag then a vote is counted.

The code is attached.
Plz help.

code.ino (15.4 KB)