import java.util.Scanner;
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== 5 && b == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& 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 sc = new Scanner(System.in);
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();

      if(a== 5 && b == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& c ==5){
      	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== 5 && b == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& c ==5){
      	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== 5 && b == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& c ==5){
      	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== 5 && b == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& 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("YES") System.out.println System.out System System.out "YES" if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& 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("YES") System.out.println System.out System System.out "YES" if(a == 7 && b == 5&& 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("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== 5 && b == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& c ==5){
      	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== 5 && b == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& 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 sc = new Scanner(System.in);
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();

      if(a== 5 && b == 7 && c ==5){
      	System.out.println("YES");
      }else if(a== 5 && b== 5 &&c ==7){
      	System.out.println("YES");
      }else if(a == 7 && b == 5&& c ==5){
      	System.out.println("YES");
      }else{
      	System.out.println("NO");
      }
    }
}