Oregon Raspberry Puree is a good product. How big a can do you have?
Cranberries are tough critters, I would have run them through a blender or a meat grinder and maybe cooked them a bit. I put fruit in extra large grain bags, that way you can hang them over the fermentor and let them drip if necessary.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk