#include <bits/stdc++.h>
// #include <atcoder/maxflow>
#define int long long
using namespace std;
// using namespace atcoder;
using vec_int = vector<int>;
using ll = long long;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)

void cout_line(vector<int> &a){
    for(int i=0;i<a.size();i++){
        if(i<a.size()-1){
            cout<<a.at(i)<<" ";
        }else{
            cout<<a.at(i)<<endl;
        }
    }
}


signed main()
{
    int N; cin>>N;
    vec_int E(N); rep(i,N)cin>>E.at(i);

    int all = 1; rep(i,N)all*=3;
    for(int i=0;i<all;i++){
        vec_int num(3, 0);
        int val = i;
        for(int j=0;j<N;j++){
            num.at(val%3) += E.at(j);
            val/=3;
        }
        if(num.at(0)==num.at(1)&&num.at(1)==num.at(2)){
            cout<<"Yes"<<endl;
            return 0;
        }


    }
            cout<<"No"<<endl;


    return 0;
}