#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
const int decalage = (1<<18);
int tab[2*decalage];
void modify(int ind, int new_val){
tab[ind] = new_val;
while (ind > 1){
ind/=2;
tab[ind] = max(tab[ind*2], tab[ind*2+1]);
}
}
int query(int l, int r){
if (l == r) return tab[l];
if (l%2 == 1){
return max(tab[l], query(l+1,r));
}
if (r%2 == 0){
return max(tab[r], query(l,r-1));
}
return query(l/2,r/2);
}
int tab2[2*decalage];
void modify2(int ind, int new_val){
tab2[ind] = new_val;
while (ind > 1){
ind/=2;
tab2[ind] = max(tab2[ind*2], tab2[ind*2+1]);
}
}
int query2(int l, int r){
if (l == r) return tab2[l];
if (l%2 == 1){
return max(tab2[l], query2(l+1,r));
}
if (r%2 == 0){
return max(tab2[r], query2(l,r-1));
}
return query2(l/2,r/2);
}
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int N, max_change, temp;
cin >> N >> max_change;
int ans = 0;
vector<int> temps;
for (int i = 0; i < N; ++i){
cin >> temp;
temps.push_back(temp);
}
int dp[N][2];
for (int i = 0; i < N; ++i){
for (int j = 0; j < 2; ++j){
dp[i][j] = 0;
}
}
dp[0][0] = 1;
dp[0][1] = 1;
modify(temps[0]+decalage, 1);
modify2(temps[0]+decalage, 1);
for (int i = 1; i < N; ++i){
dp[i][0] = query(decalage,temps[i] + decalage -1) + 1;
dp[i][1] = query(decalage,temps[i] + decalage -1 + max_change) + 1;
//cout<<"query 0 "<<i<<" "<<query(decalage,temps[i] + decalage -1)<<endl;
//cout<<"query 1 "<<i<<" "<<query(decalage,temps[i] + decalage -1 + max_change)<<endl;
//cout<<"query 2 "<<i<<" "<<query2(decalage,temps[i] + decalage -1)<<endl;
//cout<<max(dp[i][1],query2(decalage,temps[i] + decalage -1))<<endl;
dp[i][1] = max(dp[i][1],query2(decalage,temps[i] + decalage -1)+1);
modify(temps[i]+decalage, dp[i][0]);
modify2(temps[i]+decalage, dp[i][1]);
}
int maxi = 0;
for (int i = 0; i < N; ++i ){
for (int j = 0; j < 2; ++j){
//cout<<dp[i][j]<<" ";
maxi = max(maxi, dp[i][j]);
}
//cout<<endl;
}
cout<<maxi<<endl;
}
