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 max = Math.max(Math.max(a, b), c);
    if ((max == a+b || max == b+c || max == c+a)) {
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
  }
}
