Leviticus 9:2-3

9:2 and said to Aaron, “Take for yourself a bull calf for a sin offering and a ram for a burnt offering, both flawless, and present them before the Lord. 9:3 Then tell the Israelites: ‘Take a male goat for a sin offering and a calf and lamb, both a year old and flawless, for a burnt offering,

Leviticus 23:18

23:18 Along with the loaves of bread, you must also present seven flawless yearling lambs, one young bull, and two rams. They are to be a burnt offering to the Lord along with their grain offering and drink offerings, a gift of a soothing aroma to the Lord.