{"trustable":false,"sections":[{"title":"题目描述","value":{"format":"MD","content":"`n` 个棋子围成一圈,两人轮流从中取走一或两个棋子,不过取两个时必须是连续的棋子。棋子取走之后留下空位,相隔空位的棋子不连续。取走最后一个棋子的人赢。如果都采取最优策略,谁会赢?\n\n图例:![图挂了](CDN_BASE_URL/1b9c20b33d7865ca00f61de4bf4fb1d1?v\u003d1599005874)"}},{"title":"输入格式","value":{"format":"MD","content":"多组数据。\n\n每组数据一行,一个正整数 `n`。\n\n数据以 `0` 结束。"}},{"title":"输出格式","value":{"format":"MD","content":"- 如果先手赢,输出`Alice`。\n- 否则输出`Bob`。"}},{"title":"样例输入","value":{"format":"MD","content":"```\n1\n2\n3\n0\n```"}},{"title":"样例输出","value":{"format":"MD","content":"```\nAlice\nAlice\nBob\n```"}},{"title":"数据范围","value":{"format":"MD","content":"`1\u003c\u003dn\u003c\u003d1e6`。"}}]}