#include <bits/stdc++.h>

using namespace std;
using llong = long long;
using P = pair<llong, llong>;

#define BE(x) x.begin(), x.end()

const llong inf = llong(1e18)+7;
const llong mod = 1e9+7;

int main(){
	vector<int> v(3);
	cin >> v[0] >>v[1] >> v[2];
	sort(BE(v));

	cout << (v[0] + v[1]) == v[2] ? "Yes" : "No" << endl;

	return 0;
}