import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
      //文節の長さ
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      
      
      if(a >= 5 && b >= 5 && c >= 5){
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      }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);
      //文節の長さ
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      
      
      if(a >= 5 && b >= 5 && c >= 5){
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      }else{
        System.out.println("NO");
      }
      
      

	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
      //文節の長さ
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      
      
      if(a >= 5 && b >= 5 && c >= 5){
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      }else{
        System.out.println("NO");
      }
      
      

	} main {
		Scanner sc = new Scanner(System.in);
      //文節の長さ
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      
      
      if(a >= 5 && b >= 5 && c >= 5){
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      }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 >= 5 && b >= 5 && c >= 5){
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      }else{
        System.out.println("NO");
      } a >= 5 && b >= 5 && c >= 5 a >= 5 && b >= 5 && c >= 5 a >= 5 a 5 b >= 5 b 5 c >= 5 c 5 {
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      } int total = a + b + c; total a + b + c a + b + c a b c if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        } (a >= 7 || b >= 7 || c >= 7) && total == 17 (a >= 7 || b >= 7 || c >= 7) a >= 7 || b >= 7 || c >= 7 a >= 7 a 7 b >= 7 b 7 c >= 7 c 7 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" {
        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);
      //文節の長さ
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      
      
      if(a >= 5 && b >= 5 && c >= 5){
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      }else{
        System.out.println("NO");
      }
      
      

	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
      //文節の長さ
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      
      
      if(a >= 5 && b >= 5 && c >= 5){
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      }else{
        System.out.println("NO");
      }
      
      

	}
} Main
import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
      //文節の長さ
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      
      
      if(a >= 5 && b >= 5 && c >= 5){
        int total = a + b + c;
        if((a >= 7 || b >= 7 || c >= 7) && total == 17){
          System.out.println("YES");
        }else{
          System.out.println("NO");
        }
      }else{
        System.out.println("NO");
      }
      
      

	}
}
