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

int main() {
  int N, K, Ans = 1, Pin; cin >> N >> K >> Pin;
  for (int i = 1; i < N; i++) {
    int X; cin >> X;
    if (X - Pin >= K) {
      Ans++;
      Pin = X;
    }
  }
  cout << Ans << endl;
}