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 Python (3.4.3) (judge verdict: Accepted)

N= int(input())
n=[]
j=9
c=0
while N!=0:
    n.append(N%10)
    N//=10
n.reverse()

for i in range(len(n)):
    if n[i-1]==j:
        c+=1

if c > 0:
    print("Yes")
else:
    print("No")