好吧，好像$m\ne 0$，那么再来一组
输入：
```
3 1
1 2
```
输出：
```
1 2
3
2
```
by feecle6418 @ 2019-01-25 10:38:40
@[chen_zhe](/space/show?uid=8457)
by feecle6418 @ 2019-01-25 10:41:45
~~你的头像成功吸引到了我~~
by AO956 @ 2019-01-25 11:14:58
@[memset0](/space/show?uid=53495)
by feecle6418 @ 2019-01-25 14:02:13
Orz tql
by Quank123Wip @ 2019-01-27 18:37:56