#include <iostream>
#include <fstream>

using namespace std;

int A[100002];

int main()
{
    ifstream fin("secv2.in");
    ofstream fout("secv2.out");

    int n,k;
    fin>>n>>k;
    for(int i=1; i<=n; i++)
    {
        fin>>A[i];
    }
    int Smax = -2000000000, S = -1, start=1, lmax=0,ulk=0,st,dr;
    for(int i = 1 ; i <= n ; ++ i)
    {

        if(i>k)
        {
            ulk+=A[i];
            ulk-=A[i-k];
            if(S+A[i]<ulk)
            {
                start=i-k+1;
                st=start;
            }
            S=max(ulk,S+A[i]);
            if(S>Smax)
            {
                Smax=S;
                dr=i;

            }
        }
        else
        {
            S+=A[i];
            ulk+=A[i];
        }
    }
    fout <<st<<" "<<dr<<" "<< Smax ;

    return 0;
}