#include "bits/stdc++.h"

using namespace std;
using ll = long long;

int dfs(int curr, vector<int>& cl, const vector<int>& E) {
    if (curr == E.size()) {
        int pa = 0;
        int pb = 0;
        int pc = 0;
        for (int i = 0; i < E.size(); ++i) {
            if (cl[i] == 1) {
                pa += E[i];
            }
            else if (cl[i] == 2) {
                pb += E[i];
            }
            else {
                pc += E[i];
            }
        }
        return (0 < pa && 0 < pb && 0 < pc && pa == pb && pb == pc) ? 1 : 0;
    }

    cl[curr] = 1;
    int a1 = dfs(curr + 1, cl, E);
    cl[curr] = 2;
    int a2 = dfs(curr + 1, cl, E);
    cl[curr] = 3;
    int a3 = dfs(curr + 1, cl, E);
    return a1 + a2 + a3;
}

void Main() {
    int N;
    cin >> N;
    vector<int> E(N, 0);
    int s = 0;
    for (int i = 0; i < N; ++i) {
        cin >> E[i];
        s += E[i];
    }

    if (s % 3 != 0) {
        cout << "No" << endl;
        return;
    }
    vector<int> cl(N, 0);
    int ans = dfs(0, cl, E);
    cout << (ans > 0 ? "Yes" : "No") << endl;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    std::cout << std::fixed << std::setprecision(15);
    Main();
    return 0;
}