#include <bits/stdc++.h>
using namespace std;
int main() {
  int a[3], half = 0, sum = 0;
  cin >> a[0] >> a[1] >> a[2];
  sort(a, a + 3);
  half = (a[0] + a[1] + a[2]) / 2;
  for (int i = 0; i < 3; i++) {
    sum += a[i];
    if (sum == half) {
      cout << "Yes" << endl;
      return 0;
    }
  }
  cout << "No" << endl;
  return 0;
}
