import java.util.Scanner;

public class Main{
	public static void main(String[] args)
	{
		Scanner scan =new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		
		if((a==b+c)||(b==a+c)||(c==a+b)) System.out.println("Yes");
		else System.out.println("No");
		
	}
	
}