P13951 [AtCoder] You are given integers A and B, each between 1 and 3 (inclusive).
普及-
题目描述

You are given integers A and B, each between 1 and 3 (inclusive).
Determine if there is an integer C between 1 and 3 (inclusive) such that $A \times B \times C$ is an odd number.

-----Constraints-----
- All values in input are integers.
- $1 \leq A, B \leq 3$

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

-----Output-----
If there is an integer C between 1 and 3 that satisfies the condition, print Yes; otherwise, print No.

-----Sample Input-----
3 1

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

Let $C = 3. Then, A \times B \times C = 3 \times 1 \times 3 = 9,$ which is an odd number.

输入格式

见题面

输出格式

见题面

样例输入
3 1
样例输出
Yes