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 Scala (2.11.7) (judge verdict: Accepted)

import java.util.Scanner
 
object Main {
  def main(args:Array[String]):Unit = {
    val sc:Scanner = new Scanner(System.in)
    val tmp = Array(sc.nextInt(), sc.nextInt(), sc.nextInt())
 
    //if ((a == b && a < c) || (b == c && a > b) || (c == a && a < b)) {
    if (tmp.sorted sameElements Array(5, 5, 7)) {
      print("YES")
    } else {
      print("NO")
    }
  }
}