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();

		String ans = "No";
		if(a == b+c){
			ans = "Yes";
		}else if(b == a+c){
			ans = "Yes";
		}else if(c == a+b){
			ans = "Yes";
		}

		System.out.println(ans);
	}
}