#include <iostream>
#include <vector>
using namespace std;

int max_pins_left(int n, int k, vector<int>& x) {
    int last_selected_pin = x[0];
    int count = 1;

    for (int i = 1; i < n; ++i) {
        if (x[i] - last_selected_pin >= k) {
            count += 1;
            last_selected_pin = x[i];
        }
    }

    return count;
}

int main() {
    int n, k;
    cin >> n >> k;
    vector<int> x(n);

    for (int i = 0; i < n; ++i) {
        cin >> x[i];
    }

    int result = max_pins_left(n, k, x);
    cout << result << endl;

    return 0;
}