#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, c;
  cin >> a >> b >> c;
  vector<int> data(3);
  for (int i = 0; i < 3; i++) {
    for (int l = 0; l < 3; l++) data.at(l) = 0;
    for (int j = 0; j < 3; j++) {
      for (int k = 0; k < 3; k++) {
        data.at(i) += a;
        data.at(j) += b;
        data.at(k) += c;
        if (data.at(i) == data.at(j)) {
          cout << "Yes" << endl;
          return 0;
        }
      }
    }
  }
  cout << "No" << endl;
  return 0;
}
