Kvant Math Problem 1312

I cannot write a rigorous solution to problem M1312 from the information provided, because the problem statement itself is missing.

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Verdicts: SKIP + SKIP
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Source on kvant.digital

Problem

The text version of the problem statement is currently being prepared. The graphical version can be viewed in the published issue.

I cannot write a rigorous solution to problem M1312 from the information provided, because the problem statement itself is missing.

The archival page for the corresponding Kvant issue shows that the text of several problems, including M1312, has not yet been transcribed and is replaced by the notice “Текст задачи готовится” (“The text of the problem is being prepared”).

Since your prompt refers only to “Kvant math problem M1312” and the graphical version is not included in the conversation, the actual mathematical content of the problem is unavailable. Any attempt to produce the six requested sections would require inventing the statement, which would not be mathematically legitimate.

Please upload the image of problem M1312, or provide the problem statement in text form. Once the statement is available, I can produce the complete solution in the exact six-section format you specified.