#include <bits/stdc++.h> using namespace std; //#include <atcoder/all> //using namespace atcoder; using ll=long long; using Graph=vector<vector<int>>; #define MAX 1000000 #define MOD 1000000007 //#define INF 1000000000 #define INF 1000000000000000000 int main(){ int N; cin>>N; vector<int> E(N); for(int i=0;i<N;i++){ cin>>E[i]; } int m=1; for(int i=0;i<N;i++){ m*=3; } for(int i=0;i<m;i++){ int a=0; int b=0; int c=0; int x=i; for(int j=0;j<N;j++){ if(x%3==0){ a+=E[j]; }else if(x%3==1){ b+=E[j]; }else{ c+=E[j]; } x/=3; } if(a==b&&b==c){ cout<<"Yes"<<endl; return 0; } } cout<<"No"<<endl; }