using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    static long[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var (n, k) = (c[0], c[1]);
        var x = NList;
        var pos = 0;
        var ans = 1;
        for (var i = 1; i < n; ++i)
        {
            if (x[i] - x[pos] >= k)
            {
                ++ans;
                pos = i;
            }
        }
        WriteLine(ans);
    }
}