#include<bits/stdc++.h>
using namespace std;
using lli = long long;
#define rep(i,n) for(int i=0;i<n;i++)
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
template<class T>
ostream &operator<<(ostream &os, const vector<T> &x){
    os << "{";
    for(size_t i = 0; i < x.size(); i++){
        if(i < x.size()-1) os << x[i] << ", ";
        else os << x[i];
    }
    os << "}";
    return os;
}

int main(void){
    int n;
    cin >> n;
    vector<lli> e(n);
    rep(i, n) cin >> e[i];
    int N = pow(3, n);
    rep(bit, N){
        lli tmp = bit;
        lli a, b, c;
        a = b = c = 0;
        rep(i, n){
            if(tmp%3 == 0){
                a+=e[i];
            }else if(tmp%3 == 1){
                b+=e[i];
            }else{
                c+=e[i];
            }
            tmp/=3;
        }
        if(a == b && b == c){
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
    return 0;
}