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 12.16.1) (judge verdict: Accepted)

function Main(input) {
    var five = (input.match(/5/g) || []).length;
    var seven = (input.match(/7/g) || []).length;
    ( five == 2 && seven == 1) ? console.log("YES") : console.log("NO");
}

var character = "";
process.stdin.on('data', function(char){character += char});
process.stdin.on('end', function(){ Main(character); });
process.on('SIGINT', function() { Main(character); process.exit(0); });