#include <fstream>
using namespace std;
ifstream  fin("secv2.in");
ofstream fout("secv2.out");
int N,K,i,smax,st,dr,Sp[50009];

int main()
{
    fin>>N>>K;

    for(i=1; i<=N; i++)
    {
        fin>>Sp[i];
        Sp[i]=Sp[i]+Sp[i-1];
    }

    smax=-20000000;

    for(i=1; i<=N-K+1; i++)
    {
       if(Sp[i+K-1]-Sp[i-1]>smax)
       {
           smax=Sp[i+K-1]-Sp[i-1];
           st=i;
           dr=i+K-1;
       }
    }

    fout<< st << " " << dr << " " << smax;
}