//#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
//using namespace atcoder;
using ll = long long;
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
using Graph = vector<vector<ll>>;
Graph G;
vll dist;
vector<bool> seen;
ll mod = 1e9 + 7;


int main() {
    ll N;
    cin>>N;
    vll E(N);
    rep(i,N)cin>>E[i];
    rep(bit, (1 << N)) {
        ll A=0,B=0,C=0;
        
        for (ll b = bit; b >= 0; b = (b - 1) & bit) {
            rep(i,N){
                if(b&(1<<i)){
                    A+=E[i];
                }
                else if(bit&(1<<i)){
                    B+=E[i];
                }
                else{
                    C+=E[i];
                }
            }
            if(A==B&&B==C){
                cout<<"Yes"<<endl;
                return 0;
            }
            if (b == 0)break;
        }

    }
    cout<<"No"<<endl;
}