#include<iostream.h>
#include<fstream.h>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
long long int n,scur,sk,k,i,smin,pmin,smax,pmax,v[50006];
int main()
{f>>n>>k;
for(i=1;i<=k;i++) {f>>v[i];
		   scur+=v[i];}
smin=0;  pmin=0; smax=scur; pmax=k;
for(i=k+1;i<=n;i++)
	{f>>v[i];
	scur+=v[i];
	sk+=v[i-k];
	if(sk<smin)
		{smin=sk;
		pmin=i-k;}
	if(scur-smin>smax)
		{smax=scur-smin;
		pmax=i;
		}
	}
g<<pmin+1<<" "<<pmax<<" "<<smax;
f.close(); g.close();
return 0;
}