Gennady Korotkevich, 2539

Unfortunately, I couldn't finish the second part in time. I'm sorry for that, I'm going to finish it soon.

This application's feature: when you try to add a city, you can enter its name both in Russian and in English, and in case you do it in Russian, it will be automatically translated with the help of Yandex.Translate. You can even enter something like "Лос Angeles"!