I am so sorry about the loss of your grandparents. I was reading the Grandparent Loss page and saw your post. It's interesting, because my situation is exactly the same as yours. Even down to the pneumonia that Grandpa had. I just wanted to send a short message to give you some comfort in this time and let you know that I will be praying for you, and I ask that you please pray for me as well.
I know that our grandparents are in Heaven watching over us now and they're in a much better place. My deepest sympathies to you and your family.