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 (GCC 5.4.1) (judge verdict: Accepted)

#include<stdio.h>
int main(void)
{
	int a, b, c;
	scanf("%d%d%d", &a, &b, &c);
	if (a >= 1 && c <= 10)
	{
		if (a == 5 && b ==5 && c == 7)
		{
			printf("YES");
		}
		else if(a == 5 && b ==7 && c == 5)
		{
			printf("YES");
		}
		else if(a == 7 && b ==5 && c == 5)
		{
			printf("YES");
		}
		else
		{
			printf("NO");
		}
	}
}