import java.util.Scanner;

public class Main {

  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    String s = sc.nextLine();
    if(s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 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);
    String s = sc.nextLine();
    if(s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 5")) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    
  }
} Main public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    String s = sc.nextLine();
    if(s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 5")) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    
  } main {

    Scanner sc = new Scanner(System.in);
    String s = sc.nextLine();
    if(s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 5")) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.nextLine(); s sc.nextLine() sc.nextLine sc if(s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 5")) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    } s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 5") s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 5") s.equals("5 5 7") s.equals s "5 5 7" s.equals("5 7 5") s.equals s "5 7 5" s.equals("7 5 5") s.equals s "7 5 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);
    String s = sc.nextLine();
    if(s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 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);
    String s = sc.nextLine();
    if(s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 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);
    String s = sc.nextLine();
    if(s.equals("5 5 7") || s.equals("5 7 5") || s.equals("7 5 5")) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    
  }
}