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: Wrong Answer)


import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		solve(s);
		s.close();
	}

	public static void solve(Scanner s) {
		int a = s.nextInt();
		int b = s.nextInt();
		int c = s.nextInt();

		int count5 = 0;
		int count7 = 0;

		if (a == 5) {
			count5++;
		} else if (a == 7) {
			count7++;
		}

		if (b == 5) {
			count5++;
		} else if (b == 7) {
			count7++;
		}

		if (c == 5) {
			count5++;
		} else if (c == 7) {
			count7++;
		}

		if (count5 == 2 && count7 == 1) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
}