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

int main() {
  
  ios::sync_with_stdio(false);
  cin.tie(0);
  
  int n;
  cin >> n;
  vector<int> e(n);
  for (int i=0;i<n;i++) cin >> e[i];
  int e3 = 1;
  for (int i=0;i<n;i++) {
    e3 *= 3;
  }
  bool ok = false;
  for (int i=0;i<e3;i++) {
    vector<int> ps(3,0);
    int left = i;
    for (int j=0;j<n;j++) {
      ps[left%3] += e[j];
      left /= 3;
    }
    if (ps[0] == ps[1] && ps[1] == ps[2]) {
      ok = true;
    }
  }
  if (ok) cout << "Yes" << endl;
  else cout << "No" << endl;
}