#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
constexpr long long MOD = 1000000007;
constexpr long long MOD2 = 998244353;
constexpr long long INF = 1LL << 60;
const long double PI = acosl(-1.0);
constexpr long double EPS = 1e-11;
template<class T> inline bool chmin(T& a, T b) {
	if (a > b) {
		a = b;
		return true;
	}
	return false;
}
template<class T> inline bool chmax(T& a, T b) {
	if (a < b) {
		a = b;
		return true;
	}
	return false;
}
int dp[13][12000001] = {};
int main() {
    ll N;
    cin >> N;
    vector<int> E(N);
    int sum = 0;
    for (ll i = 0; i < N; i++) {
        cin >> E[i];
        sum += E[i];
    }
    if (sum % 3) {
		cout << "No" << endl;
        return 0;
    }
    dp[0][0] = 1;
    for (ll i = 0; i < N; i++) {
        for (ll j = 0; j < 1e7 + 1;j++){
            dp[i + 1][j + E[i]] += dp[i][j];
            dp[i + 1][j] += dp[i][j];
        }
    }
    if(dp[N][sum/3]>=3){
        cout << "Yes" << endl;
    }
	else
        cout << "No" << endl;
}