/*
* AUTHOR : lo0ker
* Problem : Global warming
* source :
*/
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
#define pb push_back
#define all(x) begin(x), end(x)
#define sz(x) (int) (x).size()
const int MOD = 1e9+7;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n;
ll x;
cin >> n >> x;
vector<ll> v(n);
vector<ll> revv(n);
for(int i = 0; i < n; i++){
cin >> v[i];
revv[i] = 0-v[i];
}
vi pre(n, 0);
vi suff(n, 0);
vector<ll> temp(n, INT_MAX);
int ans = 0;
for(int i = 0; i < n; i++){
int idx = lower_bound(temp.begin(), temp.end(), v[i]) - temp.begin();
temp[idx] = v[i];
pre[i] = idx+1;
ans = max(ans, pre[i]);
}
temp = vector<ll>(n, INT_MAX);
for(int i = n-1; i >= 0; i--){
int idx = lower_bound(temp.begin(), temp.end(), revv[i] + x) - temp.begin();
ans = max(ans, pre[i] + idx);
int in = lower_bound(temp.begin(), temp.end(), revv[i]) - temp.begin();
temp[in] = revv[i];
}
cout << ans;
return 0;
}
