#include <bits/stdc++.h>
using namespace std;
// #include <atcoder/all>
// using namespace atcoder;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define rep1(i,n) for (int i = 1; i <= (n); ++i)
#define quit(a) {cout << a << endl; return 0;}
using ll = long long;
using P = pair<int,int>;
// using mint = modint998244353;
// using mint = modint1000000007;
template <class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template <class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
const int INF = 1001001001;
const ll LINF = 1002003004005006007ll;


int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  rep(i,n) cin >> a[i];

  rep(b,(int)pow(3,n)){
    vector<int> tot(3);
    int bi = b;
    rep(i,n) tot[bi%3] += a[i], bi /= 3;
    if ((tot[0] == tot[1]) && (tot[1] == tot[2])) quit("Yes");
  }
  cout << "No" << endl;
  return 0;
}