import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[] candy = new int[3];
    candy[0] = sc.nextInt();
    candy[1] = sc.nextInt();
    candy[2] = sc.nextInt();
    Arrays.sort(candy);
    String ans = "No";
    if(candy[2] == (candy[0] + candy[1])) ans = "Yes";
    System.out.println(ans);
  }
}