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 C (Clang 3.8.0) (judge verdict: Accepted)

#include<stdio.h>

int main() {
	int A, B, C;
	int i = 1;
	scanf("%d", &A);
	scanf("%d", &B);
	scanf("%d", &C);

	if (A == 7)
		if (B == 5 && C == 5) {
			printf("YES");
			i = 0;
		}
	if (B == 7)
		if (A == 5 && C == 5) {
			printf("YES");
			i = 0;
		}
	if(C==7)
		if (B == 5 && A == 5) {
			printf("YES");
			i = 0;
		}
	if (i != 0) printf("NO");

	return 0;
}