#include<fstream>
#include<iostream>
#include<cmath>
#include<algorithm>

using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n,k,v[50003],i,a,mini,maxi,u[50003],pmin,pmax;


int main(){
    fin>>n>>k;
    for(i=1;i<=n;i++)
    {
        fin>>a;
        v[i]=v[i-1]+a;
    }
    mini=25000;
    maxi=-25000;
    for(i=k;i<=n;i++)
    {
        if(v[i-k]<mini)
        {
            mini=v[i-k];
            pmin=i-k+1;
        }
        if(v[i]-mini>maxi)
        {
            maxi=v[i]-mini;
            pmax=i;
        }
    }
    fout<<pmin<<" "<<pmax<<" "<<maxi;
    fin.close();
    fout.close();
    return 0;
}