#include <bits/stdc++.h>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int a[50005],n,k;
void Citire()
{
    int i;
    fin>>n>>k;
    for(i=1;i<=n;i++)
        fin>>a[i];
}
void Rezolvare()
{
    int i,inceput,sfarsit,smax,s,p;
    s=smax=a[1];
    inceput=sfarsit=p=1;
    if(s<0)
    {
        s=0;
        p=2;
    }
    for(i=2;i<=n;i++)
    {
        s+=a[i];
        if(smax<s and i-p>=k)
        {
            smax=s;
            inceput=p;
            sfarsit=i;
        }
        if(s<0)
        {
            s=0;
            p=i+1;
        }
    }
    fout<<inceput<<" "<<sfarsit<<" "<<smax<<"\n";
}
int main()
{
    Citire();
    Rezolvare();
}