import java.util.*;
 
public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
      int num1 = sc.nextInt();
      int num2 = sc.nextInt();
      int num3 = sc.nextInt();
      
    if(num1 + num2 == num3 || num1+num3 == num2 || num2+num3 == num1){
            System.out.println("Yes");
      
    }else{
            System.out.println("No");
      
      }
  }
}