#include <bits/stdc++.h>
using namespace std;
int main(){
  int a, b, c;
  cin >> a >> b >>c;
  if (max({a,b,c})=a+b+c-max({a,b,c})){
    cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}