#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(0);
  vector<int> v(3);
  for (int i = 0; i < (3); i++) v[i];
  int sum = accumulate((v).begin(), (v).end(), 0);
  int mx = *max_element((v).begin(), (v).end());
  bool b = sum - mx == mx;
  cout << ((b) ? "Yes" : "No") << endl;
  ;
  return 0;
}
