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

int main() {
    int n;
    cin >> n;

    int e[12];
    for (int i = 0; i < n; i++) {
        cin >> e[i];
    }

    int l = (int)pow(3, n);
    int r = 0;
    for (int k = 0; k < l; k++) {
        int t = k;
        int s[3] = {};
        for (int i = 0; i < n; i++) {
            int j = t % 3; t /= 3;
            s[j] += e[i];
        }
        if (s[0] == s[1] && s[1] == s[2]) r = 1;
    }
    cout << (r ? "Yes" : "No") << endl;

    return 0;
}