import java.util.*;

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();
if(a == b + c || b == a + c || c == a + b){
System.out.println("Yes");
}else{
System.out.println("No");
}

}
}