#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int a, b, c;
  cin >> a >> b >> c;
  if ((a + b + c) % 2 == 0)
    cout << "Yes" << endl;
  else if (a + b == c || a + c == b || b + c == a)
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
}
