A newbie question

From: anoy69 (zwang5_at_hotmail.com)
Date: 11/20/03 

Date: 19 Nov 2003 22:31:45 -0800

Hello,

I am trying to understand somebody's code. In particular, I have
trouble to understand the following:
      DATA A / 2.0D0, 3*8D8, 1.0D0, 2.0D0, 2*8D8, 0.0D0, 1.0D0,

     $ 2.0D0, 8D8, 0.0D0, 0.0D0, 1.0D0, 1.0D0 /

What are these numbers? I know 0.0D0=0, but what about 8D8?

Thanks,

Zhu