#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,m,n) for(int i=m; i<n; ++i)
#define repl(i,m,n) for(ll i=m; i<n; ++i)

int main(){
    int N;
    cin >> N;
    vector<int> E(N);
    rep(i, 0, N) cin >> E[i];

    int MAX = 1;
    rep(i, 0, N) MAX *= 3;

    for(int i = 0; i < MAX; ++i){
        int i2 = i;
        int pa = 0, pb = 0, pc = 0;
        rep(j, 0, N){
            if(i2 % 3 == 0) pa += E[j];
            else if(i2 % 3 == 1) pb += E[j];
            else pc += E[j];
            i2 /= 3;
        }
        if(pa == pb && pb == pc){
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
    return 0;
}