2 1
1 1
 4 1
2 2 1 1
 10 1
2 6 3 4 2 4 4 3 2 1
 2 1
999152 999153
 8 1000000
1 1 5 1000000 1000000 2 2 2
 9 2
1 6 1 5 5 8 6 8 7
 15 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
 1 4
8
 10 1
6 3 1 3 6 4 1 3 6 4
 10 1
1 2 3 5 6 8 10 11 9 4
 7 2
1 5 5 8 9 8 8
 2 1000000
1 1000000
 8 2
3 13 9 8 3 13 9 14
 1 1
1
 2 1
1 2

2
 2
 4
 1
 2
 4
 15
 1
 7
 2
 4
 1
 5
 1
 1

#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int TESTS = 1;
  while (TESTS--) {
    long long int n, a[200005], k, c = 0, x;
    cin >> n >> k;
    std::map<long long int, long long int> lol;
    for (int i = 0; i < n; i++) {
      cin >> x;
      if (lol[x] == 0) {
        a[c] = x;
        c++;
      }
      lol[x]++;
    }
    sort(a, a + c);
    x = 0;
    for (int i = 1; i < c; i++) {
      if (a[i - 1] + k >= a[i]) {
        x += lol[a[i - 1]];
      }
    }
    cout << n - x;
  }
  return 0;
}
