#include <iostream>
#include <vector>

using namespace std;

int main(){
  int a[3];
  cin >> a[0] >> a[1] >> a[2];
  bool f = false;
  if(a[0] + a[1] == a[2] or a[0] = a[1] + a[2] or a[0] + a[2] == a[1]) f = true;
  if(f) cout << "Yes";
  else cout << "No";
}
