Date Conversion

I have a series of dates that I need to convert. What is the best formula or way to convert the following. I have included some examples below.

The 110 at the beginning represents 2010 and the 111 at the beginning represents 2011.

110356
110351
110364
111003

Also would the above actually be considered Julian dates? I have seen them with 2 digits and 4 digits representing the year but not normally 3.