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 (Clang 3.8.0) (judge verdict: Wrong Answer)

#include<stdio.h> 
int main()
{
	int N;
	scanf("%d",&N);
	if(10<=N<=99)
	{
	if(N%10==9 || (N/10)%10==9)
	printf("YES\nThe one's digit of %dis9",N);
	else 
	printf("No\n%d does not contain 9.",N);
    }
	return 0;
}