#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;

int main() {
  int N; cin >> N;
  long long A = 0;
  for(int i = 0; i < N; i++){
    int AI; cin >> AI;
    A += AI;
  }
  if(A%N == 0) cout << "Yes" << endl;
  else cout << "No" << endl;
}