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

#define fs(n) fixed << setprecision(n);
#define mp(a, b) make_pair(a, b);
using ll = long long;
using ld = long double;

int main(){
  int n; cin >> n;
  vector<int> e(n);
  for(int i = 0; i < n; i++) cin >> e[i];
  for(int i = 0; i < pow(3, n); i++){
    vector<int> sum(3, 0);
    for(int j = 0; j < n; j++){
      sum[(int)(i / pow(3, j)) % 3] += e[j];
    }
    if(sum[0] == sum[1] && sum[1] == sum[2]){
      cout << "Yes" << endl;
      return 0;
    }
  }
  cout << "No" << endl;
}