Problem Statement

It is September 9 in Japan now.
You are given a two-digit integer N. Answer the question: Is 9 contained in the decimal notation of N?

Input

Input is given from Standard Input in the following format:
N

Output

If 9 is contained in the decimal notation of N, print Yes; if not, print No.

Constraints

• 10≤N≤99

Sample Input 1

29

Sample Output 1

Yes

The one's digit of 29 is 9.

Sample Input 2

72

Sample Output 2

No

72 does not contain 9.

Sample Input 3

91

Sample Output 3

Yes

见题面 Input 部分

见题面 Output 部分