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A8302. HQ9+

编程题 普及/提高-

题目描述

HQ9+ is a joke programming language which has only four one-character instructions:

- "H" prints "Hello, World!",
- "Q" prints the source code of the program itself,
- "9" prints the lyrics of "99 Bottles of Beer" song,
- "+" increments the value stored in the internal accumulator.

Instructions "H" and "Q" are case-sensitive and must be uppercase. The characters of the program which are not instructions are ignored.

You are given a program written in HQ9+. You have to figure out whether executing this program will produce any output.

输入格式

The input will consist of a single line $p$ which will give a program in HQ9+. String $p$ will contain between 1 and 100 characters, inclusive. ASCII-code of each character of $p$ will be between 33 (exclamation mark) and 126 (tilde), inclusive.

输出格式

Output "YES", if executing the program will produce any output, and "NO" otherwise.

输入输出样例

输入 #1
Hi!
输出 #1
YES
输入 #2
Codeforces
输出 #2
NO

说明/提示

In the first case the program contains only one instruction — "H", which prints "Hello, World!".

In the second case none of the program characters are language instructions.
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