#include "pch.h"
#include <iostream>
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <string>
#include <sstream>
using namespace std;



int main()
{
	int a,b,c,N;
	cin >> a >> b >> c;
	N == a + b + c - max(a, max(b,c);
	cout << (N == a || N == b || N == c ? "Yes" : "No") << endl;
}