UVA802 Lead or Gold

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=10&page=show_problem&problem=743 [PDF](https://uva.onlinejudge.org/external/8/p802.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA802/e7edae6e84c43539e041b1656b30fc116e53af57.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA802/f29010ea9fa79989bdcf955273ec93c2f72b8133.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA802/64117493a992245237ec06a2281477fc51e81ada.png)