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 (5.6.30) (judge verdict: Runtime Error)

<?php
fscanf(STDIN, "%d %d %d", $a,$b,$c);
$arr = [$a,$b,$c];
	$z = 0;
foreach($arr as $ar)
switch($ar){
    case(5)
      	$z +=1;
    	break;
    case(7)
      	$z +=10;
    	break;
}
if($z == 12){
  	echo "YES";
}else{
  	echo "NO";
}
?>