#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; ++i)
typedef long long ll;
using namespace std;
const int MOD = 1e9 + 7;

int main() {
    int N;
    cin >> N;

    ll sum = 0;
    rep(i, N) {
        int a;
        cin >> a;
        sum += a;
    }

    cout << (sum % N == 0 ? "Yes\n" : "No\n");

    return 0;
}