Divide it Equally

Brunno Doiuna is very fond of caper pizzas, which he always likes to share with his girlfriend. As she also loves capers, it is of the utmost importance, in order to avoid unnecessary quarrels, to split the pizza into two equally-sized slices in such a way that each half contains exactly the same number of capers. However, most caper pizzas also contain a number of peppercorns, and neither Brunno