Two sheaves are shich'chah, but three are not shich'chah. Two heaps of olives or carobs are shich'chah, but three are not shich'chah. Two stalks of flax are shich'chah, but three are not shich'chah. Two grapes are peret, but three are not peret. Two ears are leket; three are not leket. These [rulings] are in accordance with the opinion of Beis Hillel. But concerning all of them Beis Shammai say: Three [belong] to the poor and four [belong] to the owner.