#P290E. HQ
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ID: 6288
Type: RemoteJudge
2000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
Hydro
Tags> HQ
No submission language available for this problem.
Description
The famous joke programming language HQ9+ has only 4 commands. In this problem we will explore its subset — a language called HQ...
The only line of the input is a string between 1 and 106 characters long.
Output "Yes" or "No".
Input
The only line of the input is a string between 1 and 106 characters long.
Output
Output "Yes" or "No".
Samples
HHHH
Yes
HQHQH
No
HHQHHQH
No
HHQQHHQQHH
Yes
Note
The rest of the problem statement was destroyed by a stray raccoon. We are terribly sorry for the inconvenience.