typedef long long ll;
typedef long double ld;
#include <bits/stdc++.h>
using namespace std;
#define int long long


signed main(){
    ll n;
    std::cin >> n;
    vector<ll> e(n);
    ll sum = 0;
    for (int i = 0; i < n; i++) {
        std::cin >> e[i];
        sum += e[i];
    }
    
    if(sum%3!=0){
        std::cout << "No" << std::endl;
        return 0;
    }
    
    for (int i = 0; i < (1<<n); i++) {
        ll tmp = 0;
        for (int j = 0; j < n; j++) {
            if((i>>j)&1)tmp += e[j];
        }
        if(tmp!=sum/3)continue;
        for (int j = 0; j < (1<<n); j++) {
            ll tmp1 = 0;
            for (int k = 0; k < n; k++) {
                if(!((i>>k)&1)&&(j>>k)&1)tmp1 += e[k];
            }
            if(tmp1==sum/3){
                std::cout << "Yes" << std::endl;
                return 0;
            }
        }
    }
    std::cout << "No" << std::endl;
}