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 JavaScript (node.js v5.12) (judge verdict: Wrong Answer)

function main(input) {
    const nums = input.split(" ");
    
    if(nums.indexOf('5') != -1) {
         nums.splice(nums.indexOf('5'),1);
    }
    if(nums.indexOf('5') != -1) {
         nums.splice(nums.indexOf('5'),1);
    }
    if(nums.indexOf('7') != -1) {
         nums.splice(nums.indexOf('7'),1);
    }
    console.log(nums[0] == null ? "YES" : "NO");
}

main(require('fs').readFileSync('/dev/stdin', 'utf8'));