#include <bits/stdc++.h>
#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
#include<string>
using ll = long long;
using namespace std;

int main()
{
    ll n, ave = 0;
    cin >> n;
    for (int i = 0; i < n; i++){
        int t;
        cin >> t;
        ave += t;
    }
    cout << (!(ave%n) ? "Yes" : "No") << endl;
}