题目描述
You are given a string S consisting of letters b, d, p and q. Determine whether S is a mirror string.
Here, a mirror string is a string S such that the following sequence of operations on S results in the same string S:
-
Reverse the order of the characters in S.
-
Replace each occurrence of
bbyd,dbyb,pbyq, andqbyp, simultaneously.
Constraints
- $1 \leq |S| \leq 10^5$
- S consists of letters
b,d,p, andq.
Input
The input is given from Standard Input in the following format:
S
Output
If S is a mirror string, print Yes. Otherwise, print No.
Examples
Input
pdbq
Output
Yes
Input
ppqb
Output
No
输入格式
见题面
输出格式
见题面
样例输入
ppqb
样例输出
No