You want to write a complaint in Russian. Here's a sample template:

"Complaint

To [name of person/company] [address]

[City, Date]

Dear [name],

I am writing to express my dissatisfaction with [state the reason for the complaint]. It seems to me that [explain the situation and how it affects you].

I ask you [state what you want to happen to resolve the issue].

Sincerely, [Your Name]"

Translation:

"Complaint

To [name of person/company] [address]

[City, Date]

Dear [name],

I am writing to express my dissatisfaction with [state the reason for the complaint]. I believe that [explain the situation and how it affected you].

I request that you [state what you want to happen to resolve the issue].

Sincerely, [Your Name]"

Please note that this is just a sample, and you should adjust it according to your specific situation and needs. If you need help with writing the complaint or translating it, feel free to ask!