// code by lynmisakura. wish to be accepted!
#include<bits/stdc++.h>
using namespace std;

#define REP(i,N) for(int i = 0;i < N;i++)
using ll = long long;

int main(void){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(15);
  
  int N;
  cin >> N;
  vector<int> E(N);
  REP(i,N) cin >> E[i];

  REP(sup,(1<<N)){
    int A = [&](){
      int res = 0;
      REP(i,N) if(!(sup >> i & 1)) res += E[i];
      return res;
    }();
    int B = 0,C = 0;
    int sub = sup;
    do{
      B = 0,C = 0;
      REP(i,N)if(sup >> i & 1){
        if(sub >> i & 1) B += E[i];
        else C += E[i];
      } 
      if(A == B && B == C){
        cout << "Yes" << '\n';
        return 0;
      }
      sub = (sub - 1) & sup;
    }while(sub != sup);
  }
  cout << "No" << '\n';

}