UVA12840 The Archery Puzzle
Description
[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4705
[PDF](https://uva.onlinejudge.org/external/128/p12840.pdf)

Input Format

Output Format
