#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(v) v.begin(),v.end()
typedef long long ll;
 
#include<bits/stdc++.h>
using namespace std;
 
int main(){
  ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  
  int n;
  cin>>n;
  vector<ll> E(n);
  rep(i,n) cin>>E[i];
  
  ll sum=0;
  rep(i,n) sum+=E[i];
  if(sum%3!=0){
    cout<<"No"<<endl;
    return 0;
  }
  ll d=sum/3;
  
  ll k=1;
  rep(i,n) k*=3;
  
  rep(bit,k){
    ll a=0,b=0,c=0,tmp=bit;
    rep(i,n){
      if(tmp%3==0) a+=E[i];
      else if(tmp%3==1) b+=E[i];
      else c+=E[i];
      tmp/=3;
    }
    if(a==d && b==d && c==d){
      cout<<"Yes"<<endl;
      return 0;
    }
  }
  cout<<"No"<<endl;
  
  return 0;
}