#include <fstream>

using namespace std;

ifstream in("secv2.in");
ofstream fout("secv2.out");

int i,n,x,S,S2=-10000000,S3,temp,incep,termin,k;

int main()
{
    in>>n;
    in >>k;
    for(i=1;i<=n;i++)
        {
            in>>x;
            S3+=x;
            if(S<0)
            {
                S=x;temp=i;
            }
            else
                S+=x;
            if(S2<=S && i-temp>=k)
            {
                S2=S;incep=temp;termin=i;
            }
        }
    if (incep==0) incep=1;
    if (termin==0)
    {
        termin=n;
        S2=S3;
    }
    fout<<incep<<" "<<termin<<' ';
    fout<<S2;

}