No, no! It's part of the rules! We gotta exchange!

Let's see here...[He's got everything catalogued including how much of each candy he's managed to snag.]

I happen to have a surplus of those fruit flavored lollipops. I've got four raspberry, two orange, three strawberry...aaaand seven grape. Guess grape isn't in demand right now. Oh! And I just traded a small stack of chocolate covered wafers for four pumpkin cookies!

And I've got major surplus of these "candy corn" things but they don't look like candy or corn and no one seems to want 'em. Go figure. They don't taste that bad...