54 playing cards, two people take turns to take cards, each person can only take 1-2 cards at a time, whoever gets the last one wins. What can the last player do to ensure victory?
54张扑克牌，两人轮流拿牌，每人每次只能拿1-2张，谁拿到最后一张谁赢．后拿牌的人要怎样做才能确保获胜？
<result>3</result>