import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = sc.nextInt();
      	if (a+b+c==17){
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
    }
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = sc.nextInt();
      	if (a+b+c==17){
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
    }
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = sc.nextInt();
      	if (a+b+c==17){
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
    } main {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = sc.nextInt();
      	if (a+b+c==17){
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc if (a+b+c==17){
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        } a+b+c==17 a+b+c a+b+c a b c 17 {
        	System.out.println("YES");
        } System.out.println("YES") System.out.println System.out System System.out "YES" {
        	System.out.println("NO");
        } System.out.println("NO") System.out.println System.out System System.out "NO" String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = sc.nextInt();
      	if (a+b+c==17){
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
    }
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = sc.nextInt();
      	if (a+b+c==17){
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
    }
} Main
import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = sc.nextInt();
      	if (a+b+c==17){
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
    }
}