#include <bits/stdc++.h>
using namespace std;
#define FOR(i, j, k) for(int i=(j); i<=(k); i++)
#define FFOR(i, j, k) for(int i=(j); i<(k); i++)
#define DFOR(i, j, k) for(int i=(j); i>=(k); i--)
#define bug(x) cerr<<#x<<" = "<<(x)<<'\n'
#define pb push_back
#define mp make_pair
#define bit(s, i) (((s)>>(i))&1LL)
#define mask(i) ((1LL<<(i)))
#define builtin_popcount __builtin_popcountll
#define __builtin_popcount __builtin_popcountll
using ll=long long; using ld=long double;
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); const ld pi=acos(0)*2;
template <typename T> inline void read(T &x){char c; bool nega=0; while((!isdigit(c=getchar()))&&(c!='-')); if(c=='-'){nega=1; c=getchar();} x=c-48; while(isdigit(c=getchar())) x=x*10+c-48; if(nega) x=-x;}
template <typename T> inline void writep(T x){if(x>9) writep(x/10); putchar(x%10+48);}
template <typename T> inline void write(T x){if(x<0){ putchar('-'); x=-x;} writep(x);}
template <typename T> inline void writeln(T x){write(x); putchar('\n');}
#define taskname "Global"
int n, x;
int a[200001];
int l[200001];
vector <int> f;
int main(){
#ifdef Aria
if(fopen(taskname".in", "r"))
freopen(taskname".in", "r", stdin);
#endif // Aria
read(n);
read(x);
FOR(i, 1, n) read(a[i]);
f.pb(-1e9);
FOR(i, 1, n){
if(a[i]>f.back()){
l[i]=f.size();
f.pb(a[i]);
}
else{
l[i]=lower_bound(f.begin(), f.end(), a[i])-f.begin();
f[l[i]]=min(f[l[i]], a[i]);
}
}
f.clear();
f.pb(1.5e9);
int ans=0;
DFOR(i, n, 1){
int t=a[i]-x;
if(t<f.back()) ans=max(ans, (int)(l[i]+f.size()-1));
else ans=max(ans, (int)(l[i]+lower_bound(f.begin(), f.end(), t, greater<int>())-f.begin()-1));
if(a[i]<f.back()) f.pb(a[i]);
else{
t=lower_bound(f.begin(), f.end(), a[i], greater<int>())-f.begin();
f[t]=max(f[t], a[i]);
}
}
writeln(ans);
}
