How do you say hi, how are you in Korean?

Hi, how are you?

Formal  안녕하세요? 잘 지내셨어요?   Ahn nyeong hah sae yo? Jahl ji nae syeo suh yo?

Informal  안녕! 잘 지냈어?  Ahn nyeong? jahl ji naes suh?