#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int num[3];
  cin >> num[0] >> num[1] >> num[2];
  for (int i = 0; i < 3; i++) {
    if (num[0] + num[1] + num[2] % num[i] == 0 &&
        num[i] == (num[0] + num[1] + num[2]) / 2) {
      cout << "Yes" << endl;
      break;
    }
  }
  cout << "No" << endl;
  return 0;
}
