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: weekly reader mastering elementary/middle school math learning
description: nan
manufacturer: fogware publishing
price: 19.99

Product 2:
title: weekly reader mastering elementary & middle school math (pc/mac) fogware
description: key features: dynamic audio and video tracks student progress for all levels grades 1-8 ...
manufacturer: nan
price: 19.99
Answer: yes