#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
long long ara[N];
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  long long n;
  cin >> n;
  long long mx = 0;
  for (long long i = 0; i < n; ++i) {
    cin >> ara[i];
    while (ara[i] % 2 == 0) ara[i] /= 2;
    while (ara[i] % 3 == 0) ara[i] /= 3;
  }
  for (long long i = 1; i < n; ++i) {
    if (ara[i] != ara[0]) return cout << "No", 0;
  }
  cout << "Yes";
}
