import java.util.Scanner;

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 m = Math.max(a, b);
		int max = Math.max(m, c);
		if (sum % 2 == 0 && (sum - max) == (sum / 2)) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
}