#include <bits/stdc++.h>
using namespace std;
using un = long long;
using vuc = vector<un>;
using vol = vector<bool>;
#define REP(i, a, b) for (un i = (un)a ; i < (un)b; i++)
#define FEAC(i, a) for (auto&& i : a)
#define vec vector
#define ALL(x) (x).begin(), (x).end()
int main(){
un N, D; cin >> N >> D;
vuc A(N); FEAC(a, A) cin >> a;
if (N > 20) return 0;
un ret = 0;
REP(m, 0, 1<<(N-1)){
vuc indeces;
REP(i, 0, N-1){
if ((1<<i) & m) indeces.push_back(i);
}
indeces.push_back(N-1);
un max_d = 0;
REP(i, 1, indeces.size()){
un d = indeces[i] - indeces[i-1];
max_d = max(max_d, d);
}
if (max_d > D) continue;
un score = 1;
un max_trzba = A[indeces[0]];
REP(i, 1, indeces.size()){
if (A[indeces[i]] > max_trzba){
score++;
max_trzba = A[indeces[i]];
}
}
ret = max(ret, score);
}
cout << ret << endl;
}
