#include <bits/stdc++.h>
using namespace std;
int a[100001];
int main() {
  int n;
  scanf("%d", &n);
  for (int i = 0; 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 = 1; i < n; ++i) {
    if (a[i] != a[i - 1]) {
      puts("No");
      return 0;
    }
  }
  puts("Yes");
  return 0;
}
