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: Wrong Answer)

$stdin = fopen( "php://stdin", "r" );
fscanf( $stdin, "%[^\n]", $input );
$arr_input = explode( " ", $input);
$aux_5 = 0;
$aux_7 = 0;
foreach( $arr_input as $v ) {
	if( $v == 5 ) $aux_5++;
	if( $v == 7 ) $aux_7++;
} 
if( $aux_5 == 2 && $aux_7 == 1) {
	echo "YES";
} else {
	echo "NO";
}
fclose( $stdin );