Nim
分成几摊的豆子，两个玩家轮流拣，一次可拿任意一摊里的至少一颗，拣掉最后一粒豆子的玩家判负。
You and Q take turns nim beans from distinct heaps, On each turn, you must nim at least one bean, and may nim any number of beans provided they all come from the same heap.
Whom nim the last one bean were lost
Playing
gem install nim
nim