有四堆苹果，每堆都有三个苹果，甲乙二人博弈，每人每次只能从一堆苹果中拿走任意多个苹果，拿走全部四堆中最后一个苹果的人判定为失败。-Apple has four reactors, each reactor has three apples, two B game, each person can only take away from the pile of apples in any number of apples, take all four reactors to determine the last person to defeat Apple.