#include <iostream>
#include <vector>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	int N, K, i, j, ans = 0;
	cin >> N >> K;
	vector<int> X(N);
	for (i = 0; i != N; ++i) cin >> X[i];

	for (i = 0; i != N;)
	{
		++ans;
		for (j = i; i != N && X[i] < X[j] + K; ++i);
	}

	cout << ans << '\n';
	return 0;
}