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 Scala (2.11.7) (judge verdict: Accepted)

import scala.io.StdIn._
import scala.math._
 
object Main extends App{
  val sc = new java.util.Scanner(System.in)
  val n = sc.nextInt
  if((n/10)==9 || (n%10)==9){
    println("Yes")
  }
  else{
    println("No")
  }
}