// -------------------- Includes -------------------- //
#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <stdio.h>
#include <cstdlib>
#include <stdlib.h>
#include <array>
#include <string>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <math.h>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <bitset>
#include <list>
#include <iterator>
#include <numeric>
#include <complex>
#include <tuple>
#include <utility>
#include <cassert>
#include <assert.h>
#include <climits>
#include <limits.h>
#include <ctime>
#include <time.h>
#include <random>
#include <chrono>
#include <fstream>
using namespace std;
// -------------------- Typedefs -------------------- //
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ld;
// -------------------- Defines -------------------- //
#define pr pair
#define mpr make_pair
#define ff first
#define ss second
#define mset multiset
#define mmap multimap
#define uset unordered_set
#define umap unordered_map
#define umset unordered_multiset
#define ummap unordered_multimap
#define pqueue priority_queue
#define sz(x) (int((x).size()))
#define len(x) (int((x).length()))
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define pf push_front
#define pb push_back
#define popf pop_front
#define popb pop_back
#define ft front
#define bk back
#define lb lower_bound
#define ub upper_bound
#define bs binary_search
// -------------------- Constants -------------------- //
const int MAX = int(1e9 + 5);
const ll MAXL = ll(1e18 + 5);
const ll MOD = ll(1e9 + 7);
const ll MOD2 = ll(998244353);
// -------------------- Functions -------------------- //
void fastio()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
return;
}
void precision(int x)
{
cout.setf(ios::fixed | ios::showpoint);
cout.precision(x);
return;
}
ll gcd(ll a, ll b)
{
while (b) {
a %= b;
swap(a, b);
}
return a;
}
ll lcm(ll a, ll b)
{
return a / gcd(a, b) * b;
}
bool is_prime(ll a)
{
if (a == 1) {
return false;
}
for (ll i = 2; i * i <= a; i++) {
if (a % i == 0) {
return false;
}
}
return true;
}
bool is_square(ll a)
{
ll b = ll(sqrt(a));
return (b * b == a);
}
bool is_cube(ll a)
{
ll b = ll(cbrt(a));
return (b * b * b == a);
}
int digit_sum(ll a)
{
int sum = 0;
while (a) {
sum += int(a % 10);
a /= 10;
}
return sum;
}
ll binpow(ll a, int b)
{
ll ans = 1;
while (b) {
if ((b & 1) == 1) {
ans *= a;
}
b >>= 1;
a *= a;
}
return ans;
}
ll binpow_by_mod(ll a, ll b, ll mod)
{
ll ans = 1;
while (b) {
if ((b & 1) == 1) {
ans *= a;
ans %= mod;
}
b >>= 1;
a *= a;
a %= mod;
}
return ans;
}
ll factorial(int a)
{
ll ans = 1;
for (int i = 2; i <= a; i++) {
ans *= ll(i);
}
return ans;
}
ll factorial_by_mod(int a, ll mod)
{
ll ans = 1;
for (int i = 2; i <= a; i++) {
ans *= ll(i);
ans %= mod;
}
return ans;
}
// -------------------- Solution -------------------- //
const int N = 200005;
int a[N];
int n;
vector<int> vv;
vector<vector<int>> v;
deque<int> d;
int h[N];
void solve()
{
int i, j;
int x;
cin >> n >> x;
for (i = 1; i <= n; i++) {
cin >> a[i];
if (vv.empty() || vv.bk() < a[i]) {
vv.pb(a[i]);
v.pb({ a[i] });
h[i] = sz(v) - 1;
}
else {
j = lb(all(vv), a[i]) - vv.begin();
vv[j] = a[i];
v[j].pb(a[i]);
h[i] = j;
}
}
int ans = 1, c;
for (i = n; i >= 2; i--) {
v[h[i]].popb();
if (v[h[i]].empty()) {
v.popb();
vv.popb();
}
else vv[h[i]] = v[h[i]].bk();
if (d.empty() || d.ft() > a[i]) {
d.pf(a[i]);
c = sz(d);
}
else {
j = ub(all(d), a[i]) - d.begin();
d[j - 1] = a[i];
c = sz(d) - (j - 1);
}
j = lb(all(vv), a[i] + x) - vv.begin();
ans = max(ans, c + j);
}
cout << ans << "\n";
return;
}
void precalc()
{
return;
}
int main()
{
fastio();
precalc();
int tests = 1, tc;
//cin >> tests;
for (tc = 1; tc <= tests; tc++) {
solve();
}
//cout << db(clock()) / CLOCKS_PER_SEC << endl;
return 0;
}
/*
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*/
