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

int main() {
    int N;
    cin >> N;
    vector<int>E(N);
    for(int i = 0; i < N; i++) {
        cin >> E[i];
    }
    for(int i = 0; i < pow(3,N); i++) {
        int sum1 = 0,sum2 = 0,sum3 = 0;
        int m = i;
        for(int j = 0; j < N; j++) {
            if(m%3 == 0) {
                sum1 += E[j];
            }
            if(m%3 == 1) {
                sum2 += E[j];
            }
            if(m%3 == 2) {
                sum3 += E[j];
            }
            m /= 3;
        }
        if(sum1 == sum2 && sum2 == sum3) {
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
}