#include<bits/stdc++.h>
// #include<atcoder/all>
// #include<boost/multiprecision/cpp_int.hpp>

using namespace std;
// using namespace atcoder;
// using bint = boost::multiprecision::cpp_int;
using ll = long long;
using ull = unsigned long long;
using P = pair<int,int>;
#define rep(i,n) for(ll i = 0;i < (ll)n;i++)
#define ALL(x) (x).begin(),(x).end()
#define MOD 1000000007


int main(){
  
  int n;
  cin >> n;
  vector<ll> e(n);
  rep(i,n)cin >> e[i];
  for(int bit = 1;bit < (1 << n);bit++){
    for(int T = bit;T > 0;T = (T-1)&bit){
      ll a = 0,b = 0,c = 0;
      rep(i,n){
        if(!(bit >> i & 1))a += e[i];
        else if(T >> i & 1)b += e[i];
        else c += e[i];
      }
      if(a == b && b == c){
        cout << "Yes\n";
        return 0;
      }
    }
  }
  cout << "No\n";


  return 0;
}