import java.util.*;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int[] nums=new int[3];
        for(int i=0;i<3;i++){
            nums[i]=sc.nextInt();
        }
        Arrays.sort(nums);
        System.out.println(nums[0]+nums[1]==nums[2]?"Yes":"No");
    }
    
 
}