#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int INF = (1<<30)-1;
const ll LINF = (1LL<<60)-1;

#define rep(i, n) for (int i = 0; i < n; i++)
#define sz(a) (int)(a.size())

template<class T> 
bool chmax(T &a, T b) {if (a < b) {a = b;return true;}else return false;}

template<class T> 
bool chmin(T &a, T b) {if (a > b) {a = b;return true;}else return false;}

//コーナーケースに気をつけろ！
int main() {
    int n;  cin >> n;
    vector<ll> E(n);
    int mx = 1;
    rep(i, n) {
        cin >> E[i];
        mx *= 3;
    }

    for (int bit = 0; bit < mx; bit++) {
        vector<ll> p(3, 0);
        int s = bit;
        rep(i, n) {
            p[s%3] += E[i];
            s /= 3;
        }
        if (p[0] == p[1] && p[1] == p[2]) {
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
    return 0;   
}

//小数点精度
//cout << fixed << std::setprecision(15) << y << endl;