#include <atcoder/all>
#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
using namespace atcoder;
using namespace std;
using ll = long long;
using ull = unsigned long long;
using mll = static_modint<998244353>;
#define rep(i,n) for(int i=0; i<(n); i++)

int main(){
  int N; cin >> N;
  int E[12]; rep(i,N) cin >> E[i];
  int NN = 1;
  rep(i,N) NN *= 3;
  rep(i,NN){
    int S[3] = {};
    int ip = i;
    rep(d,N){ S[ip%3] += E[d]; ip/=3; }
    if(S[0] == S[1] && S[1] == S[2]){ cout << "Yes\n"; return 0; }
  }
  cout << "No\n";
  return 0;
}

struct ios_do_not_sync{
  ios_do_not_sync(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
  }
} ios_do_not_sync_inst;