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<iostream>
#include<string>
#include<algorithm>

using namespace std;

int main(void)
{
	int N;

	std::cin >> N;
	bool flag = false;
	string str = std::to_string(N);
	for (int i = 0; i < 2; i++)
	{
		if (str[i] == '9')
		{
			cout << "Yes";
			flag = true;
			break;
		}

	}
	if (!flag)
		cout << "No";



}