Rosh Hashana Greeting

What's the traditional greeting for the Rosh Hashana New Year?

There are two main traditional greetings:

• Shana Tova U'Metuka - Have a good and sweet year!

 שנה טובה ומתוקה

• Ketiva v'Chatima Tova - May you be written and sealed in the book of life.

כתיבה וחתימה טובה