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 Go (1.6) (judge verdict: Accepted)

package main

import (
  "fmt"
  "strings"
)

func main() {
  var n string
  fmt.Scan(&n)
  i := strings.Index(n, "9")
  ans := "Yes"; if i == -1 {ans = "No"}
  fmt.Println(ans)

}