Beis Shammai say: The [olas] re'iyah [must be worth at least] two silver [maos], and the [shalmei] chagigah [at least] one silver maah.  Beis Hillel say: The [olas] re'iyah [must be worth at least] one silver maah, and the [shalmei] chagigah [at least] two silver maos.