
import java.util.Scanner;
public class Main{ 
	public static void main(String[] args) {
	Scanner input = new Scanner (System.in);
		int a = input.nextInt();
		int b=input.nextInt();
		int c=input.nextInt();
		if(a==5 && b==5 && c==7)
	          System.out.println("YES");
	      else if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO");}}
	 import java.util.Scanner; Scanner java.util public class Main{ 
	public static void main(String[] args) {
	Scanner input = new Scanner (System.in);
		int a = input.nextInt();
		int b=input.nextInt();
		int c=input.nextInt();
		if(a==5 && b==5 && c==7)
	          System.out.println("YES");
	      else if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO");}} Main public static void main(String[] args) {
	Scanner input = new Scanner (System.in);
		int a = input.nextInt();
		int b=input.nextInt();
		int c=input.nextInt();
		if(a==5 && b==5 && c==7)
	          System.out.println("YES");
	      else if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO");} main {
	Scanner input = new Scanner (System.in);
		int a = input.nextInt();
		int b=input.nextInt();
		int c=input.nextInt();
		if(a==5 && b==5 && c==7)
	          System.out.println("YES");
	      else if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO");} Scanner input = new Scanner (System.in); input new Scanner (System.in) int a = input.nextInt(); a input.nextInt() input.nextInt input int b=input.nextInt(); b input.nextInt() input.nextInt input int c=input.nextInt(); c input.nextInt() input.nextInt input if(a==5 && b==5 && c==7)
	          System.out.println("YES");
	      else if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO"); a==5 && b==5 && c==7 a==5 && b==5 && c==7 a==5 a 5 b==5 b 5 c==7 c 7 System.out.println("YES") System.out.println System.out System System.out "YES" if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO"); a==7 && b==5 && c==5 a==7 && b==5 && c==5 a==7 a 7 b==5 b 5 c==5 c 5 System.out.println("YES") System.out.println System.out System System.out "YES" if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO"); a==5 && b==7 && c==5 a==5 && b==7 && c==5 a==5 a 5 b==7 b 7 c==5 c 5 System.out.println("YES") System.out.println System.out System System.out "YES" 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 input = new Scanner (System.in);
		int a = input.nextInt();
		int b=input.nextInt();
		int c=input.nextInt();
		if(a==5 && b==5 && c==7)
	          System.out.println("YES");
	      else if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO");}} public class Main{ 
	public static void main(String[] args) {
	Scanner input = new Scanner (System.in);
		int a = input.nextInt();
		int b=input.nextInt();
		int c=input.nextInt();
		if(a==5 && b==5 && c==7)
	          System.out.println("YES");
	      else if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO");}} Main

import java.util.Scanner;
public class Main{ 
	public static void main(String[] args) {
	Scanner input = new Scanner (System.in);
		int a = input.nextInt();
		int b=input.nextInt();
		int c=input.nextInt();
		if(a==5 && b==5 && c==7)
	          System.out.println("YES");
	      else if(a==7 && b==5 && c==5)
	          System.out.println("YES");
	      else if(a==5 && b==7 && c==5)
	          System.out.println("YES");
	      else
	          System.out.println("NO");}}
	