#include <bits/stdc++.h>
int main() {
  using namespace std;
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  int A, B, C;
  cin >> A >> B >> C;
  bool ans = A + B == C || A == C || B == C;
  cout << (ans ? "Yes" : "No") << endl;
}
