Contribution #570

Problem: ru/8.2.14

Added 8.2.14 8.2.15

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: November 13, 2023 at 08:25 AM

GitHub commit: 29cdce27c90f93cd30f3486535d82da18f1f373b

+257 -51 lines changed