#include <bits/stdc++.h>
#pragma comment(linker, "/stack:102400000,102400000")
using namespace std;
const int N = 100005;
const int M = 40005;
const int INF = 0x3f3f3f3f;
const int MOD = 1000000007;
const double Pi = acos(-1.0);
int lowbit(int x) { return x & (-x); }
template <class T>
inline T f_min(T a, T b) {
  return a < b ? a : b;
}
template <class T>
inline T f_max(T a, T b) {
  return a > b ? a : b;
}
template <class T>
inline T f_abs(T a) {
  return a > 0 ? a : -a;
}
template <class T>
inline T f_gcd(T a, T b) {
  return b == 0 ? a : f_gcd(b, a % b);
}
template <class T>
inline T f_Lcm(T a, T b) {
  return a / f_gcd(a, b) * b;
}
template <class T>
inline void f_swap(T &a, T &b) {
  T t = a;
  a = b;
  b = t;
}
bool is_digit(char a) {
  if (a >= '0' && a <= '9') return true;
  return false;
}
bool is_lowch(char a) {
  if (a >= 'a' && a <= 'z') return true;
  return false;
}
bool is_upch(char a) {
  if (a >= 'A' && a <= 'Z') return true;
  return false;
}
int a[N];
int main() {
  int n;
  while (cin >> n) {
    for (int i = 0; i < n; ++i) {
      cin >> a[i];
      while (a[i] % 2 == 0) a[i] /= 2;
      while (a[i] % 3 == 0) a[i] /= 3;
    }
    bool flag = false;
    for (int i = 0; i < n; ++i)
      if (a[i] != a[0]) flag = true;
    if (flag)
      puts("No");
    else
      puts("Yes");
  }
  return 0;
}
