#include <fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int v[50010],n,st,stt,dr,s,ss,i,k;
int main()
{
    f>>n>>k;
    ss=-26000;
    for(i=1;i<=n;++i)
    {
        f>>v[i];
        if(s<0)
        {
            s=v[i];
            st=i;
        }
        else
        {
          s=s+v[i];
        }
        if(s>ss && i-st>=k)
        {
            ss=s;
            stt=st;
            dr=i;
        }
    }
    if(stt==0)
        stt=1;
    g<<stt<<" "<<dr<<" "<<ss;
    return 0;
}