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");
	    }
	    
	}
	
}