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++14 (GCC 5.4.1) (judge verdict: Accepted)

/**
 *      ABC 42 A
 *      author  : kyomukyomupurin
 *      created : 2018-09-20 07:29:30
**/

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    int A, B, C; cin >> A >> B >> C;
    if (A == 7 && B == 5 && C == 5){
        cout << "YES" << endl;
    }
    else if (A == 5 && B == 7 && C == 5){
        cout << "YES" << endl;
    }
    else if (A == 5 && B == 5 && C == 7){
        cout << "YES" << endl;
    }
    else {
        cout << "NO" << endl;
    }
    return 0;
}