#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <map>
#include <set>
#include <queue>
#include <iomanip>
#include <cstring>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long ll;
#define rep(i,n) for (int i = 0; i < int(n);i++)

int main(){
  int n;
  cin >> n;
  ll sum = 0;
  rep(i,n) {
    ll x;
    cin >> x;
    sum += x;
  }
  if (sum%n == 0){
    cout << "Yes" << endl;
  }
  else cout << "No" << endl;
  return 0;
}