Problem:
Score : 100 points

Problem Statement

Iroha loves Haiku. Haiku is a short form of Japanese poetry. A Haiku consists of three phrases with 5, 7 and 5 syllables, in this order.

To create a Haiku, Iroha has come up with three different phrases. These phrases have A, B and C syllables, respectively. Determine whether she can construct a Haiku by using each of the phrases once, in some order.

Constraints

1≦A,B,C≦10

Input

The input is given from Standard Input in the following format:

A B C

Output

If it is possible to construct a Haiku by using each of the phrases once, print YES (case-sensitive). Otherwise, print NO.

Sample Input 1

5 5 7

Sample Output 1

YES

Using three phrases of length 5, 5 and 7, it is possible to construct a Haiku.

Sample Input 2

7 7 5

Sample Output 2

NO

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

function main(input) {
    const nums = input.split(" ");
    var count5 = 0, count7 = 0;
    
    nums.forEach( num => {
        if(num == 5) {
            count5 += 1;
        }
        if(num == 7) {
            count7 += 1;
        }
    })
    console.log(count5 == 2 && count7 == 1 ? "YES" : "NO");
}
 
main(require('fs').readFileSync('/dev/stdin', 'utf8'));