#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << " " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << " " << j << " " << #i << " " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
typedef pair<long long,long long>pii;
typedef pair<int,pii>pi2;
mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
int arr[7005];
int n,k;
void solve(){
cin >> n >> k;
for(int x=1;x<=n;x++){
cin >> arr[x];
}
int dp[n+5];
memset(dp,0,sizeof(dp));
int best=0;
for(int x=n;x>=1;x--){
dp[x]=max(dp[x],1LL);
int left=k;
for(int y=x+1;y<=n;y++){
if(left==0) break;
if(arr[y]>arr[x]){
dp[x]=max(dp[x],dp[y]+1);
}
else if(arr[y]==arr[x]){
//dp[x]=max(dp[x],dp[y]);
left=k+1;
}
else if(arr[y]<arr[x]){
left=k+1;
}
left--;
}
//show(dp[x],dp[x]);
best=max(best,dp[x]);
}
cout << best;
}
int32_t main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t=1;
//freopen("in.txt","r",stdin);
//cin >> t;
while(t--){
solve();
}
}
