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 Java7 (OpenJDK 1.7.0) (judge verdict: Wrong Answer)

import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        
        Scanner scan = new Scanner(System.in);
        
        Map<Integer, Integer> input = new HashMap<Integer, Integer>();
        
        int in = 0;
        int x = 0;
        
        for(int i = 0 ; i < 3 ; i++){
            in = scan.nextInt();
            if(input.get(in) != null){
                x = input.get(in);
                x = x + 1;
                input.put(in, x);
                x = 0;
            }else{
                x = x + 1;
                input.put(in, x);
            }
        }
        
        int number5 = 0;
        int number7 = 0;
        String ans = "NO";
            
        number5 = input.get(5);
        if(number5 == 2){
            number7 = input.get(7);
            if(number7 == 1){
                ans = "YES";
            }
        }

        System.out.println(ans);
        
    }
}