Instruction: Check the details of the two products to see if they refer to the same product. Output only yes or no.

Input:
Product 1:
title: zonealarm pro firewall
description: zonealarm pro delivers powerful multi-layered security to your pc with an advanced firewall anti-spyware identity theft protection privacy protection and other functions. its comprehensive easy-to-use features can enhance basic firewall or antivirus programs and are perfect for anyone concerned about online privacy. network and program firewall features these features deliver...
manufacturer: zone labs
price: 39.99

Product 2:
title: zone labs zonealarm pro
description: zonealarm pro delivers powerful multi-layered security to your pc with an advanced firewall anti-spyware spy-site blocking identity theft protection privacy protection and much more! system requirements: windows 2000 pro/xp.
manufacturer: nan
price: 30.17
Answer: yes