Update: README.md

Update: img.png, README.md

Create: img.png, README.md

update: TextConverter.java

create: Main.java, ConvertSymbol.java, TextConverter.java

update: Address.java, Main.java

create: Address.java, Main.java

update: Main.java

create: Main.java

update: contest-token.txt

update: Logger.java, Main.java, SimpleLogger.java, SmartLogger.java