UVA12784 Don't Care

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=823&page=show_problem&problem=4649 [PDF](https://uva.onlinejudge.org/external/127/p12784.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12784/747f961df64cdef42859ea684168c0eb3f4e75c1.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12784/9d5b18399eadf0faf116f548ce707236f913a5f9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12784/74ba10d67f391c676f0db0ef402317caa762bb4b.png)