#include <fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int i,n,x,S,S2=-10000000,S3,temp,incep,termin,k;
int main()
{
    fin>>n;
    fin >>k;
    for(i=1;i<=n;i++)
        {
            fin>>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;
    fout<<incep<<" "<<termin<<' ';
    fout<<S2;

}