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)

'use strict';

function main(input) {
  const inputs = input.split(' ').map((x) => x | 0);

  const sum = inputs.reduce((a, b) => a + b);
  if (sum != 17) {
    console.log('NO');
    return;
  }

  let i = inputs.shift();
  while (i) {
    if (i != 5 && i != 7) {
      console.log('NO');
      return;
    }
    i = inputs.shift();
  }

  console.log('YES');
}

main(require('fs').readFileSync('/dev/stdin', 'utf8'));