#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 50;
int a[maxn];
int main() {
  int n;
  scanf("%d", &n);
  for (int i = 1; i <= n; ++i) {
    scanf("%d", &a[i]);
    while (a[i] % 2 == 0) a[i] /= 2;
    while (a[i] % 3 == 0) a[i] /= 3;
  }
  for (int i = 2; i <= n; ++i)
    if (a[i] != a[1]) {
      puts("No");
      return 0;
    }
  puts("Yes");
}
