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

public class Main {

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

	}

}
