#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
long long GCD(long long a,long long b) {
  if(a%b == 0) return b;
  return GCD(b,a%b);
}
int main() {
  long long N; cin >> N;
  vector<long long> A(N);
  for(int i = 0; i < N; i++) cin >> A[i];
  long long a = 0;
  for(int i = 0; i < N; i++) {
    a += A[i];
  }
  if(a % N == 0) {
    cout << "Yes" << endl;
  }else {
    cout << "No" << endl;
  }
}