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: Accepted)

function Main(input) {
  var A = parseInt(input.split(" ")[0]);
  var B = parseInt(input.split(" ")[1]);
  var C = parseInt(input.split(" ")[2]);
  
  var sevenCount = 0;
  var fiveCount = 0;
  
  if(A == 5){
     fiveCount++;
  }else if(A == 7){
     sevenCount++;
  }
  if(B == 5){
     fiveCount++;
  }else if(B == 7){
     sevenCount++;
  }
  if(C == 5){
     fiveCount++;
  }else if(C == 7){
     sevenCount++;
  }
  
  if(fiveCount == 2 && sevenCount == 1){
     console.log("YES");
     }else{
     console.log("NO");
     }
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"));