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();

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