#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pdd = pair<ld, ld>;
using pll = pair<ll, ll>;
using pli = pair<ll, int>;
using pil = pair<int, ll>;
template <typename T>
using Graph = vector<vector<T>>;
const int MOD = 1e9 + 7;
const ld PI = acos(-1);

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);

    int N;
    cin >> N;
    vector<int> E(N);
    for (int i = 0; i < N; ++i)
        cin >> E[i];

    for (int i = 0; i < (1 << N); ++i) {
        for (int j = i;; j = (j - 1) & i) {
            vector<int> v(3);
            for (int k = 0; k < N; ++k) {
                int tmp = ((i >> k) & 1) + ((j >> k) & 1);
                v[tmp] += E[k];
            }

            if (v[0] == v[1] && v[1] == v[2]) {
                cout << "Yes" << endl;
                return 0;
            }

            if (j == 0)
                break;
        }
    }
    cout << "No" << endl;

    return 0;
}