
import java.util.*;

class Main {
	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int C = Integer.parseInt(sc.next());
		
		System.out.println(A + B + C == 17 ? "YES" : "NO");
	}
} import java.util.*; util.* java class Main {
	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int C = Integer.parseInt(sc.next());
		
		System.out.println(A + B + C == 17 ? "YES" : "NO");
	}
} Main public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int C = Integer.parseInt(sc.next());
		
		System.out.println(A + B + C == 17 ? "YES" : "NO");
	} main {
		Scanner sc = new Scanner(System.in);
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int C = Integer.parseInt(sc.next());
		
		System.out.println(A + B + C == 17 ? "YES" : "NO");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int A = Integer.parseInt(sc.next()); A Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int B = Integer.parseInt(sc.next()); B Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int C = Integer.parseInt(sc.next()); C Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc System.out.println(A + B + C == 17 ? "YES" : "NO") System.out.println System.out System System.out A + B + C == 17 ? "YES" : "NO" A + B + C == 17 A + B + C A + B + C A B C 17 "YES" "NO" String args[] args

import java.util.*;

class Main {
	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int C = Integer.parseInt(sc.next());
		
		System.out.println(A + B + C == 17 ? "YES" : "NO");
	}
}
