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 Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)



import java.util.*;

public class Main {

    public static void main(String[] args) {
       Scanner scanner = new Scanner(System.in);
       int [] nums = new int[3];
       for(int i = 0 ; i<3;i++){
       nums[i] = scanner.nextInt();
       }
       int sum = 0;
       int count = 0;
       for(int i = 0 ; i<nums.length;i++){
       if(nums[i] == 5){
       sum++;
       } else if(nums[i]  == 7 ){
       count++;
       } else{
       sum +=0;
       count+=0;
       }
       
       
       
       }
       if(sum == 2 && count ==1){
           System.out.println("YES");
       } else {
           System.out.println("NO");
       }
       
       
    }
    
}