#include<bits/stdc++.h>
using namespace std;
using ll = long long int;
using ld = long double;
const ll MAX = 5000000000000000000;
const ld PI = 3.14159265358979;
const ll MOD = 0;//2024948111;
random_device rd;
mt19937 mt(rd());
ld dotorad(ld K){return PI * K / 180.0;}
ld radtodo(ld K){return K * 180.0 / PI;}
int main(){
    ll N;
    cin >> N;
    vector<ll> A(N);
    for(ll i = 0;i < N;i++) cin >> A[i];
    ll p = 1;
    for(ll i = 0;i < N;i++) p *= 3;
    for(ll bit = 0;bit < p;bit++){
        ll b = bit;
        ll x = 0,y = 0,z = 0;
        for(ll i = 0;i < N;i++){
            if(b % 3 == 0) x += A[i];
            if(b % 3 == 1) y += A[i];
            if(b % 3 == 2) z += A[i];
            b /= 3;
        }
        if(x == y && y == z){
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
}