#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
  int n, k;
  cin >> n >> k;
  vector<int> x(n);
  for (int i = 0; i < n; ++i) cin >> x[i];
  int now = x[0], ans = 1;
  for (int i = 1; i < n; ++i)
  {
    if (x[i] - now >= k)
    {
      now = x[i];
      ++ans;
    }
  }
  cout << ans << endl;
}