#include<bits/stdc++.h>
using namespace std;

int main(){
  int N;
  cin >> N;
  vector<long long int> E(N);
  for(int i=0;i<N;i++) cin >> E[i];
  bool flag = false;
  int t = 1;
  for(int i=0;i<N;i++) t *= 3;
  for(int i=0;i<t;i++){
    int div = i;
    long long int A=0,B=0,C=0;
    for(int j=0;j<N;j++){
      if(div%3 == 0) A += E[j];
      if(div%3 == 1) B += E[j];
      if(div%3 == 2) C += E[j];
      div /= 3;
    }
    if(A == B && B == C) flag = true;
  }
  if(flag) cout << "Yes" << endl;
  else cout << "No" << endl;
}