// Alir3za.Zar3 -> Shiraz , Iran
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define int long long
const int mxN = 2e5+7;
int n,x,out , v[mxN],dp[mxN];
vector<int> px , sx;
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
cin >> n >> x;
for (int i=1; i<=n; i++)
cin >> v[i];
for (int i=1; i<=n; i++)
{
int sz = px.size();
auto id = lower_bound(px.begin(),px.end(),v[i])-px.begin();
dp[i] = id+1;
if (id < sz) px[id] = v[i];
else px.push_back(v[i]);
}
out = px.size();
for (int i=n; i; i--)
{
int sz = sx.size();
int l=-1 , r=sx.size();
while (r-l > 1)
{
int o = l+r>>1;
if (sx[o] > v[i]-x) l=o;
else r=o;
}
out = max(out , dp[i]+l+1);
l=0 , r=sx.size();
while (r-l > 1)
{
int o = l+r>>1;
if (sx[o] >= v[i]) l=o;
else r=o;
}
if (l<sz and sx[l] > v[i]) l++;
if (l == sz) sx.push_back(v[i]);
else sx[l] = v[i];
}
cout << out << '\n';
}
