#include<bits/stdc++.h> 
using namespace std;
typedef long long ll;
#define all(x) (x).begin(),(x).end()
template<typename T1,typename T2> bool chmin(T1 &a,T2 b){if(a<=b)return 0; a=b; return 1;}
template<typename T1,typename T2> bool chmax(T1 &a,T2 b){if(a>=b)return 0; a=b; return 1;}
int dx[4]={0,1,0,-1}, dy[4]={1,0,-1,0};
long double eps = 1e-9;
long double pi = acos(-1);


signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout << fixed << setprecision(20);

	int n;
	cin>>n;
	int a[n];
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	ll ma = 1;
	int ans = 0;
	for(ll i=0;i<n;i++)ma*=3;
	for(ll i=0;i<ma;i++){
		ll sum[3]={};
		ll tmp = i; 
		for(int j=0;j<n;j++){
			sum[tmp%3] += a[j];
			tmp /= 3;
		}
		if(sum[0] == sum[1] && sum[1] == sum[2])ans++;
	}
	if(ans)cout << "Yes\n";
	else cout << "No\n";
}