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 <bits/stdc++.h>

using namespace std;

string s;
int N, sol;
vector < int > a;

int main() {
    ios_base::sync_with_stdio(false);
    cin >> N;
    
    while (N) {
        if (N % 10 == 9) {
            cout << "Yes";
            return 0;
        }
        
        N /= 10;
    }
    
    
    
    cout << "No" << '\n';
    return 0;
}