/* -*- coding: utf-8 -*-
 *
 * 2757.cc:  No.2757 Pin Game - yukicoder
 */

#include<cstdio>
#include<algorithm>
 
using namespace std;

/* constant */

const int MAX_N = 300000;

/* typedef */

/* global variables */

int xs[MAX_N];

/* subroutines */

/* main */

int main() {
  int n, k;
  scanf("%d%d", &n, &k);
  for (int i = 0; i < n; i++) scanf("%d", xs + i);

  int cnt = 1, px = xs[0];
  for (int i = 1; i < n; i++)
    if (xs[i] - px >= k) cnt++, px = xs[i];

  printf("%d\n", cnt);
  
  return 0;
}