#include <iostream>
using namespace std;

int main() {
  int a, b, c,;
  cin >> a >> b >> c;
  int total = a + b + c;
  if (total % 2 == 0 && (a == total / 2 || b == total / 2 || c == total / 2))
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
}