#include <fstream>
using namespace std;

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

int sum, pi, pj, summ, n, k, v[50001];

int main()
{
    int i, j;
    fin>>n>>k;
    for(int i=1;i<=n;++i)
    {
        fin>>v[i];
        v[i]+=v[i-1];
    }
    i=k, j=0, sum=v[k];
    pi=k, pj=0, summ=v[k];
    for(i=k;i<=n;++i)
    {
        if(v[i-k]<v[j]) j=i-k;
        sum=v[i]-v[j];
        if(sum>summ)
        {
            summ=sum;
            pj=j;
            pi=i;
        }
    }
    fout<<pj+1<<" "<<pi<<" "<<summ<<"\n";
    return 0;
}