#include <fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n,i,mucsum=1000000000,muxsum=-1000000000,sum,x[50001],muxu,mucu,k;
int minsum,tminsum,nrramas=1;
int main()
{
    fin>>n>>k;
    for(i=1;i<=n;i++)
    {
        fin>>x[i];

        if(i<k)
         sum+=x[i];
        else
        {
            minsum+=x[i-k];
            if(mucsum>minsum)
            {
                mucsum=minsum;
                mucu=i-k+1;
            }
            sum+=x[i];
            //fout<<mucsum<<" "<<sum<<" ";
            if(muxsum<sum-mucsum)
            {
                muxsum=sum-mucsum;
                muxu=i;
            }
           // fout<<muxsum<<endl;
        }


    }
    fout<<mucu<<" "<<muxu<<" "<<muxsum;
    return 0;
}