Touch screen topic

Hi I recently got a Note 3 for AT&T off Ebay. It was stuck in a bootloop so I wound up reflashing through Odin and got it to work. The problem I'm having is that the touch screen does not work but the S-pen does does that mean the digitizer is gone. I looked and read everywhere and found no solution other than contacting Samsung and trying to have it under warranty.

What do I do?? Any help would be greatly appreciated.