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();
    	int total = a + b + c;
    	if(total == 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();
    	int total = a + b + c;
    	if(total == 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();
    	int total = a + b + c;
    	if(total == 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();
    	int total = a + b + c;
    	if(total == 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 int total = a + b + c; total a + b + c a + b + c a b c if(total == 17){
      		System.out.println("YES");
    	}else{
	      System.out.println("NO");
    	} total == 17 total 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();
    	int total = a + b + c;
    	if(total == 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();
    	int total = a + b + c;
    	if(total == 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();
    	int total = a + b + c;
    	if(total == 17){
      		System.out.println("YES");
    	}else{
	      System.out.println("NO");
    	}
   	}  
}  