import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
      
      	if((a==(b+c))||(b==(a+c))||(c==(a+b))){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}
    }
}