
import java.util.Scanner;

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();

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