Problem: Today Pari and Arya are playing a game called Remainders.

Pari chooses two positive integer x and k, and tells Arya k but not x. Arya have to find the value <image>. There are n ancient numbers c1, c2, ..., cn and Pari has to tell Arya <image> if Arya wants. Given k and the ancient values, tell us if Arya has a winning strategy independent of value of x or not. Formally, is it true that Arya can understand the value <image> for any positive integer x?

Note, that <image> means the remainder of x after dividing it by y.

Input

The first line of the input contains two integers n and k (1 ≤ n, k ≤ 1 000 000) — the number of ancient integers and value k that is chosen by Pari.

The second line contains n integers c1, c2, ..., cn (1 ≤ ci ≤ 1 000 000).

Output

Print "Yes" (without quotes) if Arya has a winning strategy independent of value of x, or "No" (without quotes) otherwise.

Examples

Input

4 5
2 3 5 12


Output

Yes


Input

2 7
2 3


Output

No

Note

In the first sample, Arya can understand <image> because 5 is one of the ancient numbers.

In the second sample, Arya can't be sure what <image> is. For example 1 and 7 have the same remainders after dividing by 2 and 3, but they differ in remainders after dividing by 7.

Solution (in CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;
const double pi = acos(-1.0);
int gcd(int p, int q) {
  if (q == 0) return p;
  return gcd(q, p % q);
}
unsigned long long int lcm(int p, int q) {
  return (unsigned long long int)p * q / gcd(p, q);
}
int main() {
  std::ios::sync_with_stdio(false);
  int n, k;
  cin >> n >> k;
  int input;
  unsigned long long int x = 1;
  for (int i = 0; i < n; i += 1) {
    cin >> input;
    x = lcm(input, x) % k;
  }
  if (x % k == 0)
    cout << "YES" << endl;
  else
    cout << "NO" << endl;
  return 0;
}