UVA1693 XAR

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=825&page=show_problem&problem=4568 [PDF](https://uva.onlinejudge.org/external/16/p1693.pdf)

Input Format

N/A

Output Format

N/A