

import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args)  {
		Scanner sc = new Scanner(System.in);

		int a[] = new int[3];
		a[0] = sc.nextInt();
		a[1] = sc.nextInt();
		a[2] = sc.nextInt();

		Arrays.sort(a);

		System.out.println(a[2] + a[1] == a[0] || a[2] == a[1] + a[0] ? "Yes" : "No");
	}
}