c1=80 c2=40 c3=20 c4=50 гост

It appears you're referencing some values (c1, c2, c3, c4) and using the term "гост," which might relate to standard requirements (GOST standards) in Russia or other contexts. To help you better, could you clarify what you're asking about these values? For example, are you looking to perform calculations, analyze data, or something else related to these numbers?