背景

https://usaco.org/index.php?page=viewproblem2&cpid=735

描述

格式

输入

Two integers x and y, satisfying $0\leq x,y\leq 32767$ .

输出

The single line of input contains two distinct space-separated integers $x$ and $y$. Both are in the range $0…1,000$.

样例 #1

3 6

9

Limitation

1s, 1024KiB for each test case.