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