#include <fstream>
#define NM 50005

using namespace std;

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

int n,i,k,v,s[NM],mn,mx,b,e,poz;

int main()
{
    fin >> n >> k;
    mx=-2000000000;
    for (i=1; i<=n; i++)
    {
        fin >> v;
        s[i]=s[i-1]+v;
        if (s[i]-mn>mx && i-b+1>=k)
        {
            mx=s[i]-mn;
            b=poz+1;
            e=i;
        }
        if (mn>s[i])
        {
            mn=s[i];
            poz=i;
        }
    }
    fout << b << " " << e << " " << mx;
    fin.close();
    fout.close();
    return 0;
}