Don't have Telegram yet? Try it now!
https://jlpsite.ru/2018/12/17/%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b0-%d0%b2-%d0%bd%d0%b5%d0%b4%d0%b5%d0%bb%d1%8e-15-17-12-2018-23-12-2018/
Задача в неделю (15): 17.12.2018 - 23.12.2018