#ifdef LOCAL
#include "local.h"
#else
#include <bits/stdc++.h>
#define debug(...)
#define DB(...)
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#endif
using namespace std;
static const bool __initialization = []() {
cin.tie(nullptr)->sync_with_stdio(false);
#define TASK "empty"
if (fopen(TASK".inp", "r")) {
(void)(!freopen(TASK".inp", "r", stdin));
(void)(!freopen(TASK".out", "w", stdout)); }
return true;
}();
using ll = long long;
using ld = long double;
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define For(i, l, r) for (int i = (l); i <= (r); ++i)
#define Ford(i, r, l) for (int i = (r); i >= (l); --i)
#define Rep(i, n) For (i, 0, (n) - 1)
#define Repd(i, n) Ford (i, (n) - 1, 0)
#define Fe(...) for (auto __VA_ARGS__)
template <class C> inline int isz(const C& c) { return static_cast<int>(c.size()); }
template <class T> inline bool chmin(T& a, const T& b) { return (a > b) ? a = b, true : false; }
template <class T> inline bool chmax(T& a, const T& b) { return (a < b) ? a = b, true : false; }
constexpr ld eps = 1e-9;
constexpr int inf = 1e9;
constexpr ll linf = 1e18;
// =============================================================================
constexpr int maxn = 2e5 + 5;
int n, x;
int a[maxn];
int dp[maxn];
vector<int> lis, lds;
signed main() {
cin >> n >> x;
For (i, 1, n) cin >> a[i];
For (i, 1, n) {
int dist;
if (isz(lis)) {
dp[i] = lower_bound(all(lis), a[i] + x) - lis.begin();
dist = lower_bound(all(lis), a[i]) - lis.begin();
} else {
dp[i] = 0;
dist = 0;
}
if (dist == isz(lis)) {
lis.push_back(a[i]);
} else {
lis[dist] = a[i];
}
}
int ans = 0;
Ford (i, n, 1) {
int dist;
if (isz(lds)) {
dist = lower_bound(all(lds), -a[i]) - lds.begin();
} else {
dist = 0;
}
if (dist == isz(lds)) {
lds.push_back(-a[i]);
} else {
lds[dist] = -a[i];
}
chmax(ans, dp[i] + dist + 1);
}
cout << ans << '\n';
}
