Kvant Math Problem 1315

I can do that.

kvantmathematicsolympiad

Verified: no
Verdicts: SKIP + SKIP
Solve time: 1m33s
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 can do that. Could you provide the full text of Kvant problem M1315, or at least the mathematical statement? I need the exact problem to produce the detailed, rigorous solution.