import java.util.Scanner;

class Main {
  static int count5 = 0;
  static int count7 = 0;
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    func(sc.nextInt());
    func(sc.nextInt());
    func(sc.nextInt());
    if (count5 == 2 && count7 == 1) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    sc.close();
  }
  static void func(int target){
    if (target == 5) {
      count5++;
    } else if (target == 7) {
      count7++;
    }
  }
} import java.util.Scanner; Scanner java.util class Main {
  static int count5 = 0;
  static int count7 = 0;
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    func(sc.nextInt());
    func(sc.nextInt());
    func(sc.nextInt());
    if (count5 == 2 && count7 == 1) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    sc.close();
  }
  static void func(int target){
    if (target == 5) {
      count5++;
    } else if (target == 7) {
      count7++;
    }
  }
} Main static int count5 = 0; count5 0 static int count7 = 0; count7 0 public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    func(sc.nextInt());
    func(sc.nextInt());
    func(sc.nextInt());
    if (count5 == 2 && count7 == 1) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    sc.close();
  } main {
    Scanner sc = new Scanner(System.in);
    func(sc.nextInt());
    func(sc.nextInt());
    func(sc.nextInt());
    if (count5 == 2 && count7 == 1) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    sc.close();
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) func(sc.nextInt()) func sc.nextInt() sc.nextInt sc func(sc.nextInt()) func sc.nextInt() sc.nextInt sc func(sc.nextInt()) func sc.nextInt() sc.nextInt sc if (count5 == 2 && count7 == 1) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    } count5 == 2 && count7 == 1 count5 == 2 count5 2 count7 == 1 count7 1 {
      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" sc.close() sc.close sc String[] args args static void func(int target){
    if (target == 5) {
      count5++;
    } else if (target == 7) {
      count7++;
    }
  } func {
    if (target == 5) {
      count5++;
    } else if (target == 7) {
      count7++;
    }
  } if (target == 5) {
      count5++;
    } else if (target == 7) {
      count7++;
    } target == 5 target 5 {
      count5++;
    } count5++ count5 if (target == 7) {
      count7++;
    } target == 7 target 7 {
      count7++;
    } count7++ count7 int target target
import java.util.Scanner;

class Main {
  static int count5 = 0;
  static int count7 = 0;
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    func(sc.nextInt());
    func(sc.nextInt());
    func(sc.nextInt());
    if (count5 == 2 && count7 == 1) {
      System.out.println("YES");
    } else {
      System.out.println("NO");
    }
    sc.close();
  }
  static void func(int target){
    if (target == 5) {
      count5++;
    } else if (target == 7) {
      count7++;
    }
  }
}