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 PHP (7.4.4) (judge verdict: Accepted)

<?php
  $a = explode(' ', trim(fgets(STDIN)));
  $f = 0;
  $s = 0;

  foreach($a as $value){
  	if($value == 5){
      $f += 1;
    }elseif($value == 7){
    	$s += 1;
    }
  }
	if($f == 2 && $s == 1){
    	echo'YES';
    }else{
    	echo 'NO';
    }