#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using uint = unsigned;
using ull = unsigned long long;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;

int main() {
    int n;
    cin >> n;
    vector<int> A(n);
    for (auto &&i : A) scanf("%d", &i);
    vector<int> sum(1 << n);
    for (int i = 0; i < (1 << n); ++i) {
        for (int j = 0; j < n; ++j) {
            if(i & (1 << j)) sum[i] += A[j];
        }
    }
    int mask = (1 << n)-1;
    ll ans = 0;
    for (int S = 0; S < (1 << n); ++S) {
        int T = S;
        do {
            int p = mask^S, q = S^T, r = T;
            if(sum[p] == sum[q] && sum[q] == sum[r]) ans++;
            T = (T-1)&S;
        }while(T != S);
    }
    puts(ans ? "Yes": "No");
    return 0;
}