Kvant Math Problem 1420

Before I begin writing the solution, I need the text of Kvant problem M1420.

Verified: no
Verdicts: SKIP + SKIP
Solve time: 7m19s
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.

Before I begin writing the solution, I need the text of Kvant problem M1420. Could you provide the full problem statement in text form so I can produce the rigorous solution following your instructions?