#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    vector<int> three(n + 1, 1);
    for (int i = 0; i < n; i++) {
        three[i + 1] = three[i] * 3;
    }
    for (int i = 0; i < three[n]; i++) {
        int A = 0, B = 0, C = 0;
        for (int j = 0; j < n; j++) {
            int X = (i / three[j]) % 3;
            if (X == 0) {
                A += a[j];
            } else if (X == 1) {
                B += a[j];
            } else {
                C += a[j];
            }
        }
        if (A == B && B == C) {
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
    return 0;
}