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

int N, A[101010];
ll sum = 0;

int main() {
  cin >> N;
  for (int i = 1; i <= N; i++) {
    cin >> A[i];
    sum += A[i];
  }
  if (sum % N == 0) cout << "Yes" << endl;
  else cout << "No" << endl;
  return 0;
}