import java.net.SecureCacheResponse;
import java.util.Random;
import java.util.Scanner;

public class kougi {
    public static void main(String[] args) {

        int a ,b, c;
        Scanner scan = new Scanner(System.in);
        a = scan.nextInt();
        b = scan.nextInt();
        c = scan.nextInt();

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


    }
}
