#include <bits/stdc++.h>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

const int maxn = 100010;

int main(int argc, char** argv) {
  
  int n, arr[maxn];
  long long int p;
  
  cin >> n >> p;
  
  for(int i = 0; i < n; i++){
    cin >> arr[i];
  }
  
  sort(arr, arr+n);
  
  int i = 0, j = 0, ans = 1;

  while(i < n && j < n){
    //j不断右移，直到恰好不满足条件
    while(j < n && arr[j] <= (long long) (arr[i] * p)){
      ans = max(ans, j - i + 1);
      j++;
    } 
    i++;
  } 
  cout << ans;
  
  return 0;
}