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();
		int sum = a + b + c;
		int max;
		if(a >= b && a >= c)
			max = a;
		else if(b >= a && b >= c)
			max = b;
		else
			max = c;
		System.out.println((sum - max == max) ? "Yes" : "No");
	}
}