Coins of chullin and coins of maaser sheni that became scattered, what he gathered, he gathered for maaser sheni until he completes [the total], and the rest is chullin. If [they fell in] a jumble and he scooped up handfuls, it is reckoned proportionately. This is the rule: What is picked up [one at a time goes] to maaser sheni, and what is jumbled is reckoned proportionately.