#include <bits/stdc++.h>
using namespace std;
int n, a[100005];
int main() {
  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]) {
      printf("No\n");
      return 0;
    }
  }
  printf("Yes\n");
  int qwe = 1;
  return 0;
}
