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 (GCC 5.4.1) (judge verdict: Accepted)


#include <stdio.h>
#include<math.h>
int main()
{
 long int x,y,z,sum,i=0,k;
 
 scanf("%ld",&x);
while(x>0)
{
    y=x%10;
    x=x/10;
    if(y==9)
    {
        i=1;
        break;
    }
}
if(i==1)
{
    printf("Yes");
}else{
    printf("No");
}
    return 0;
}