What do you do if your dog ate a pencil?

i have a puppy now dog who ate a whole pencil and a tip but
she's been alright every since shes ate the pencil. and my older
dog when he was 2 years old he ate my cousin's colored pencil and it was red.

Guess what..... he let out red dump in my neighbors yard. hope this helps!!!!!!!!!!!!!!!!!!! by the way he was alright and my girl dog is just fine