#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC optimize("conserve-stack")
#include<bits/stdc++.h>
#define int long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define mask(i) (1<<i)
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
char c = getchar_unlocked();
int x = 0;
while (c < '0' || c > '9')
{
c = getchar_unlocked();
}
while (c >= '0' && c <= '9')
{
x = (x << 1) + (x << 3) + c - '0';
c = getchar_unlocked();
}
return x;
};
void phongbeo();
const int inf = 1e9;
const int mod2 = 1e9 + 7;
const int mod1 = 998244353;
int add(int x,int y)
{
if(x+y>=mod2) x-=mod2;
return x+y;
}
struct icd
{
long double a;
int b;
};
struct ib
{
int a;
int b;
};
struct ic
{
int a, b, c, d;
};
struct ie
{
int a, b, c, d, e;
};
int n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center;
int i, s10, s12,k1,k2,k3,s11,limit,w,l,r,last,root;
int kk;
int el = 19;
main()
{
if(fopen(task".inp","r"))
{
fin(task);
fou(task);
}
NHP
/// cin>>s1;
///modwwe
phongbeo();
// checktime
}
int a[200001];
int cost[200001];
vector<int> v;
struct BIT
{
int bit[200001];
void reset()
{
for(int i=1; i<=n; i++)
bit[i]=0;
}
void upd(int x,int y)
{
for(x; x<=n; x+=x&-x)
bit[x]=max(bit[x],y);
}
int get(int x)
{
int s=0;
for(x; x; x-=x&-x)
s=max(s,bit[x]);
return s;
}
} fen;
void phongbeo()
{
cin>>n>>m;
for(int i=1; i<=n; i++)
cin>>a[i],v.pb(a[i]);
sort(v.begin(),v.end());
for(int i=1; i<=n; i++)
a[i]=lower_bound(v.begin(),v.end(),a[i])-v.begin()+1;
for(int i=n; i>=1; --i)
{
s3=v[a[i]-1]-m;
s3=upper_bound(v.begin(),v.end(),s3)-v.begin()+1;
s4=fen.get(n-s3+1);
cost[i]=s4;
s2=fen.get(n-a[i]);
fen.upd(n-a[i]+1,s2+1);
}
fen. reset();
for(int i=1; i<=n; i++)
{
s2=fen.get(a[i]-1);
fen.upd(a[i],s2+1);
s4=max(s4,s2+1+cost[i]);
}
cout<<s4;
}
