As long as the foreign exchange business is opened, you can buy it after it is opened. Mobile banking is simple. If you go to the counter, you need to find a staff member.

Russia, ruble, currency code, RUB, the denomination of paper money is 1 0,50,200,/kloc-0,000,500,/kloc-0,000,2000,5000 rubles, and there are also coins1ruble, 2 rubles.