#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using pint = pair<int, int>;
using pll = pair<ll, ll>;

int pow(int a, int x){
    int ret = 1;
    while(x--)ret *= a;
    return ret;
}

int main(){
    int N; cin >> N;
    vector<int> P(N);
    for(int i = 0; i < N; i++)cin >> P[i];
    bool ok = false;
    for(int bit = 0; bit < pow(3, N + 1); bit++){
        int temp = bit;
        vector<int> sum(3, 0);
        for(int i = 0; i < N; i++){
            sum[temp % 3] += P[i];
            temp /= 3;
        }
        if(sum[0] == sum[1] && sum[1] == sum[2]){
            ok = true;
            break;
        }
    }
    cout << (ok ? "Yes": "No") << endl;
}