#include <bits/stdc++.h>

int main() {
  using namespace std;
  cin.tie(nullptr)->sync_with_stdio(false);
  int n;
  cin >> n;
  int64_t sum = 0;
  for (int _ = n; _--;) {
    int a;
    cin >> a;
    sum += a;
  }
  cout << (sum % n ? "No\n" : "Yes\n");
}