Problem:
Score : 100 points

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?

Constraints

10≤N≤99

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.

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

Solution in C++14 (GCC 5.4.1) (judge verdict: Accepted)

#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<iostream>
#include<string>
#include<cstring>

using namespace std;

int main()
{
	int n,a,b;
	while(~scanf("%d",&n))
	{
		a = n % 10;
		b = n / 10;
		if(a==9 || b==9)
			printf("Yes\n");
		else
			printf("No\n");
	}
	return 0;
}