@[xdcm](/user/681223)
仔细看样例，输出 `Yes` 或 `No`，而不是全大写
by ZJLmath @ 2023-08-02 21:08:58
@[ZJLmath](/user/764672) 楼上正解
by Lj_zjl0 @ 2023-08-02 21:14:28
呃呃呃
by naiandudu @ 2023-08-02 21:20:45
《样例过了》
by 云雷心柠檬听 @ 2023-08-02 21:25:54