#include <bits/stdc++.h>
using namespace std;

int main(){
  int N, K;
  cin >> N >> K;
  
  int left, ans = N;
  cin >> left;
  while(--N){
    int X;
    cin >> X;
    if(X - left < K) ans--;
    else left = X;
  }
  
  cout << ans;
}