#include <bits/stdc++.h>
using namespace std;
int i, j, k;
int dx, dy;
int a, b, c;
string s, t;
int main() {
  int A[3];
  cin >> A[0] >> A[1] >> A[2];
  sort(A, A + 3);
  reverse(begin(A), end(A));
  bool q;
  q = (A[0] == A[1] || A[0] == A[1] + A[2] || A[1] == A[2]);
  cout << (q ? "Yes" : "No") << endl;
  return 0;
}
