#include<fstream>
#include<algorithm>
using namespace std;

const int INF=0x3f3f3f3f;

int i,n,k,rs,m,aux,gmb,fnc,a[50005];

int main()
{
  ifstream cin("secv2.in");
  ofstream cout("secv2.out");

  cin>>n>>k;
  for(i=1;i<=n;++i) cin>>gmb,a[i]=a[i-1]+gmb;

  rs=-INF; aux=fnc=1; gmb=k;

  for(i=k;i<=n;++i)
  {
    if(a[i]-m>rs) rs=a[i]-m,gmb=i,fnc=aux;
    if(a[i-k+1]<m) m=a[i-k+1],aux=i-k+2;
  }

  cout<<fnc<<' '<<gmb<<' '<<rs<<'\n';

 return 0;
}