A chatas [bird] which mingled with a [number of] olah [birds] or an olah [bird which mingled] with a [number of] chatas [birds], even if one [such bird-offering mingled] with ten thousand [bird-offerings of the other type], they must all be left to die.  A chatas bird which mingled with an obligatory pair [of bird-offerings], there are none valid other than the number of chatas birds in the obligatory pair.  And likewise, an olah bird which mingled with an obligatory pair [of bird-offerings], there are none valid other than the number of olah-birds in the obligatory pair.  [These rules apply] whether the obligatory [bird-offerings] are more numerous and the voluntary [bird-offerings] are less numerous, [or] whether the voluntary [bird-offerings] are more numerous and the obligatory [bird offerings] are less numerous, [or] whether they are both equal [in number].