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 Kotlin (1.3.71) (judge verdict: Accepted)

fun main() {
    val list = readLine()!!.split(" ").map { it.toInt() }
    var fiveCount = 0
    var sevenCount = 0
    for (i in list) {
        if (i == 5) fiveCount++
        if (i == 7) sevenCount++
    }
    if (fiveCount == 2 && sevenCount == 1) println("YES") else println("NO")
}