#D11816. Mirror String
Mirror String
Mirror String
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
b
byd
,d
byb
,p
byq
, andq
byp
, 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
inputFormat
Input
The input is given from Standard Input in the following format:
S
outputFormat
Output
If S is a mirror string, print Yes
. Otherwise, print No
.
Examples
Input
pdbq
Output
Yes
Input
ppqb
Output
No
样例
ppqb
No