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 m1 = Math.min(a,Math.min(b,c));
      int m2 = Math.max(a,Math.max(b,c));
      int n = a+b+c-m1-m2;
      if(m1==5&&n==5&&m2==7)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 m1 = Math.min(a,Math.min(b,c));
      int m2 = Math.max(a,Math.max(b,c));
      int n = a+b+c-m1-m2;
      if(m1==5&&n==5&&m2==7)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 m1 = Math.min(a,Math.min(b,c));
      int m2 = Math.max(a,Math.max(b,c));
      int n = a+b+c-m1-m2;
      if(m1==5&&n==5&&m2==7)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 m1 = Math.min(a,Math.min(b,c));
      int m2 = Math.max(a,Math.max(b,c));
      int n = a+b+c-m1-m2;
      if(m1==5&&n==5&&m2==7)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 m1 = Math.min(a,Math.min(b,c)); m1 Math.min(a,Math.min(b,c)) Math.min Math a Math.min(b,c) Math.min Math b c int m2 = Math.max(a,Math.max(b,c)); m2 Math.max(a,Math.max(b,c)) Math.max Math a Math.max(b,c) Math.max Math b c int n = a+b+c-m1-m2; n a+b+c-m1-m2 a+b+c-m1-m2 a+b+c a+b+c a b c m1 m2 if(m1==5&&n==5&&m2==7)System.out.println("YES");
      else System.out.println("NO"); m1==5&&n==5&&m2==7 m1==5&&n==5&&m2==7 m1==5 m1 5 n==5 n 5 m2==7 m2 7 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 sc = new Scanner(System.in);
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      int m1 = Math.min(a,Math.min(b,c));
      int m2 = Math.max(a,Math.max(b,c));
      int n = a+b+c-m1-m2;
      if(m1==5&&n==5&&m2==7)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 m1 = Math.min(a,Math.min(b,c));
      int m2 = Math.max(a,Math.max(b,c));
      int n = a+b+c-m1-m2;
      if(m1==5&&n==5&&m2==7)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 m1 = Math.min(a,Math.min(b,c));
      int m2 = Math.max(a,Math.max(b,c));
      int n = a+b+c-m1-m2;
      if(m1==5&&n==5&&m2==7)System.out.println("YES");
      else System.out.println("NO");
    }
}
