#define _USE_MATH_DEFINES
#include  <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<iomanip>
#include<stdio.h>
#include <stdlib.h>
#include<stdio.h>
#include <queue>
#include<map>
#include <fstream>
#include <sstream>
#include<set>
#include<stack>
#include<time.h>
#include <sys/types.h>
#include <tuple>
#include <numeric>
#include <iterator>

typedef long long int ll;
//#include<bits/stdc++.h>


using namespace std;

ll gcd(ll a, ll b) {
    if (a < b)swap(a, b);
    if (b == 0)return a;
    return gcd(b, a % b);
}
int lcm(int a, int b) {
    return a * b / gcd(a, b);
}







int main()
{

    int Q;
    Q = 1;
    //cin >> Q;   

    while (Q--) {
        int n;
        cin >> n;
        
        vector<int>p(n);
        for (int i = 0; i < n; i++)cin >> p[i];
        for (int i = 0; i <= pow(3, 12); i++) {
            int a[3] = {};
            ll t = i;
            for (int j = 0; j < n; j++) {
                
                a[t%3] += p[j];
                t /= 3;
            }
            if (a[0] == a[1] && a[1] == a[2]) {
                cout << "Yes";
                return 0;
            }
            //cout << a[0] << " " << a[1] << " " << a[2] << endl;
        }
        cout << "No";
    }
    return 0;
}