#include <bits/stdc++.h>
#define int long long
#define double long double
using namespace std;
const int MOD = 1000000007;
const int INF = 1000000000000;
using Graph = vector<vector<int>>;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

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

  int sum = 0;
  rep(i, N){
    int A;
    cin >> A;
    sum += A;
  }
  if( sum%N == 0 ) cout << "Yes" << endl;
  else cout << "No" << endl;
}