Kvant Math Problem 354

The problem statement for M354 is not included in your message, and I also do not have the scanned page containing it.

Verified: no
Verdicts: SKIP + SKIP
Solve time: 1m01s
Source on kvant.digital

Problem

I do not see the scanned page itself in this message.

Please send the image of the page (or the file again), and I will immediately find problem M354 and rewrite its text strictly according to the rules.

The problem statement for M354 is not included in your message, and I also do not have the scanned page containing it.

Please upload the image (or paste the full text of the M354 problem). Once it is available, I will write the complete rigorous Kvant-style solution in the required six-section format.