#include<fstream>
#define DM 50007
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");

int N,K,st,dr,Sol,Sk;
int X[DM],DP[DM];

void Solve()
{
    int i,poz;

    st=1;   dr=K;

    DP[K]=Sol=Sk;

    for(i=K+1;i<=N;++i)
    {
        if(DP[i-1]>Sk)  DP[i]=DP[i-1]+X[i];
        else
        {
            DP[i]=Sk+X[i];
            poz=i-K;
        }
        if(DP[i]>Sk)
        {
            st=poz;
            dr=i;
            Sol=DP[i];
        }
        Sk=Sk+X[i]-X[i-K];
    }
}

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

    for(int i=1;i<=N;++i)
    {
        fin>>X[i];
        if(i<=K)    Sk+=X[i];
    }

    Solve();

    fout<<st<<" "<<dr<<" "<<Sol<<"\n";

    fin.close();
    fout.close();
    return 0;
}