P19498 [AtCoder] A triple of numbers is said to be poor when two of those numbers are equal but the other number is different from those two numbers.
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题目描述

A triple of numbers is said to be poor when two of those numbers are equal but the other number is different from those two numbers.
You will be given three integers A, B, and C. If this triple is poor, print Yes; otherwise, print No.

-----Constraints-----
- A, B, and C are all integers between 1 and 9 (inclusive).

-----Input-----
Input is given from Standard Input in the following format:
A B C

-----Output-----
If the given triple is poor, print Yes; otherwise, print No.

-----Sample Input-----
5 7 5

-----Sample Output-----
Yes

A and C are equal, but B is different from those two numbers, so this triple is poor.

输入格式

见题面

输出格式

见题面

样例输入
5 7 5
样例输出
Yes