Numbers 31:29-31

take it from their half and give it to Eleazar the priest, as an offering to the LORD. From the sons of Israel’s half, you shall take one drawn out of every fifty of the persons, of the cattle, of the donkeys and of the sheep, from all the animals, and give them to the Levites who keep charge of the tabernacle of the LORD.” Moses and Eleazar the priest did just as the LORD had commanded Moses.