#include <bits/stdc++.h>
using namespace std;
int a[100010];
int main() {
  int n;
  scanf("%d", &n);
  for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
  for (int i = 1; i <= n; i++) {
    while (a[i] % 2 == 0) a[i] /= 2;
    while (a[i] % 3 == 0) a[i] /= 3;
  }
  int flag = 0;
  for (int i = 2; i <= n; i++) {
    if (a[i] != a[1]) {
      flag = 1;
      break;
    }
  }
  if (flag)
    puts("No");
  else
    puts("Yes");
  return 0;
}
