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 JavaScript (node.js v5.12) (judge verdict: Accepted)

'use strict'

const main = (input) => {
    const N = input.split('\n')[0]
    let flag = false
    N.split('').forEach(v => {
        if(v === '9'){
            flag = true
        }
    })
    if(flag){
        console.log('Yes')
    }else{
        console.log('No')
    }
}

main(require('fs').readFileSync('/dev/stdin', 'utf-8'))