Kvant Math Problem 1337

I can do that.

kvantmathematicsolympiad

Verified: no
Verdicts: SKIP + SKIP
Solve time: 4m20s
Source on kvant.digital

Problem

The textual version of the problem statement is being prepared. The graphical version can be found in the published issue.

I can do that. Please provide the full text of Kvant problem M1337 so I can write the complete solution following your six-section framework.