Here's what you need to know:
* The Cyrillic Alphabet: Russian uses the Cyrillic alphabet, which has 33 letters.
* The same rules apply: The grammar, spelling, and punctuation rules are the same across all Russian-speaking regions.
* Different dialects: While the written language is standardized, there are regional variations in spoken Russian (like accents and slang).
So, if you want to write Russian in Russia, just use the Cyrillic alphabet and follow the standard rules of Russian grammar and spelling.