import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[] num = new int[11];
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    String ans = "NO";
    if((num[5] == 2) && (num[7] == 1)) ans = "YES";
    System.out.println(ans);
  }
} import java.util.*; util.* java public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[] num = new int[11];
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    String ans = "NO";
    if((num[5] == 2) && (num[7] == 1)) ans = "YES";
    System.out.println(ans);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[] num = new int[11];
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    String ans = "NO";
    if((num[5] == 2) && (num[7] == 1)) ans = "YES";
    System.out.println(ans);
  } main {
    Scanner sc = new Scanner(System.in);
    int[] num = new int[11];
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    String ans = "NO";
    if((num[5] == 2) && (num[7] == 1)) ans = "YES";
    System.out.println(ans);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int[] num = new int[11]; num new int[11] 11 num[sc.nextInt()]++ num[sc.nextInt()] num sc.nextInt() sc.nextInt sc num[sc.nextInt()]++ num[sc.nextInt()] num sc.nextInt() sc.nextInt sc num[sc.nextInt()]++ num[sc.nextInt()] num sc.nextInt() sc.nextInt sc String ans = "NO"; ans "NO" if((num[5] == 2) && (num[7] == 1)) ans = "YES"; (num[5] == 2) && (num[7] == 1) (num[5] == 2) num[5] num 5 2 (num[7] == 1) num[7] num 7 1 ans = "YES" ans "YES" System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[] num = new int[11];
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    String ans = "NO";
    if((num[5] == 2) && (num[7] == 1)) ans = "YES";
    System.out.println(ans);
  }
} public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[] num = new int[11];
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    String ans = "NO";
    if((num[5] == 2) && (num[7] == 1)) ans = "YES";
    System.out.println(ans);
  }
} Main
import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[] num = new int[11];
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    num[sc.nextInt()]++;
    String ans = "NO";
    if((num[5] == 2) && (num[7] == 1)) ans = "YES";
    System.out.println(ans);
  }
}