//#pragma GCC optimize("O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native")
//#pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n, x;
cin >> n >> x;
vector<int> a(n), b(n);
for (int i = 0; i < n; ++i) {
cin >> a[i];
b[n - i - 1] = -a[i];
}
vector<int> t(n + 1, INT32_MAX);
t[0] = INT32_MIN;
vector<int> lds(n);
for (int i = 0; i < n; ++i) {
lds[i] = lower_bound(t.begin(), t.end(), b[i]) - t.begin();
t[lds[i]] = min(t[lds[i]], b[i]);
}
t.assign(n + 1, INT32_MAX);
t[0] = INT32_MIN;
int ans = 1;
for (int i = 0; i + 1 < n; ++i) {
int kek = lower_bound(t.begin(), t.end(), a[i]) - t.begin();
t[kek] = min(t[kek], a[i]);
ans = max(ans, kek);
int pos = lower_bound(t.begin(), t.end(), a[i + 1] + x) - t.begin() - 1;
ans = max(ans, pos + lds[n - i - 2]);
}
cout << ans;
return 0;
}
