#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, v;
    cin >> n;
    ll s = 0;
    for(int i = 0; i < n; i++){
        cin >> v;
        s += v;
    }
    cout << (s % n == 0 ? "Yes" : "No") << '\n';
}