using System;
using System.Collections.Generic;
class Solve{
    public Solve(){}
    public static int Main(){
        new Solve().Calc();
        return 0;
    }
    void Calc(){
        getinput();
        Console.WriteLine(count);
    }
    void getinput(){
        string[] str = Console.ReadLine().Split(' ');
        int A = int.Parse(str[0]);
        int B = int.Parse(str[1]);
        int C = int.Parse(str[2]);
        sb.Append((A+B == C || B+C == A || A+C == B) ? "Yes\n" : "No\n");
    }    
}