#include <bits/stdc++.h>
using namespace std;

int main () {
  int a, b, c;

    if (a == b + c) {
      cout << "Yes" << endl;
    }
    else if (b == a + c) {
      cout << "Yes" << endl;
    }
    else if (c == a + b) {
      cout << "Yes" << endl;
    }
    else {
      cout << "No" << endl;
    }
  }
}
