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

template <class T>
T my_pow(T a, T n) {
  assert(n >= 0);
  T res = 1;
  while (n > 0) {
    if (n & 1) res = res * a;
    a = a * a;
    n >>= 1;
  }
  return res;
}

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 < my_pow(3, N); i++) {
    int a = 0, b = 0, c = 0;
    for (int j = 0; j < N; j++) {
      int pow = my_pow(3, j);
      int flag = i / pow % 3;
      if (flag == 0)
        a += E[j];
      else if (flag == 1)
        b += E[j];
      else
        c += E[j];
    }
    if (a == b && b == c) {
      cout << "Yes" << endl;
      return 0;
    }
  }

  cout << "No" << endl;

  return 0;
}