using System;

class FightingOverCandies {
    static void Main(string[] args)
    {
        int a, b, c;
        string[] s;

        s = Console.ReadLine().Split(' ');

        a = int.Parse(s[0]);
        b = int.Parse(s[1]);
        c = int.Parse(s[2]);

        if (a == b+c || b == c+a || c = a+b)
            Console.WriteLine("Yes");
        else
            Console.WriteLine("No");
    }
}