#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using pint = pair<int, int>;
using pll = pair<ll, ll>;

int main(){
    ll N; cin >> N;
    ll tot = 0;
    for(int i = 0; i < N; i++){
        ll a; cin >> a;
        tot += a;
    }
    cout << (tot % N ? "No": "Yes") << endl;
}