#include<fstream>
using namespace std;
ifstream cin("secv2.in");
ofstream cout("secv2.out");

int main()
{
	int n,poz,inc,sfr;
	int i,smax,sc,v[50001],k,sum[50001];
	cin>>n;
	cin>>k;
	for(i=1;i<=n;i++)
	{
		cin>>v[i];
		sum[i]=sum[i-1]+v[i];
	}
	smax=-2000000000;
	sc=0;
	for(i=k;i<=n;i++)
	{
		if(sc+v[i]>sum[i]-sum[i-k])
			sc=sc+v[i];
		else
		{
			poz=i-k+1;
			sc=sum[i]-sum[i-k];
		}
		if(smax<sc)
		{
			smax=sc;
			inc=poz;
			sfr=i;
		}
	}
	cout<<inc<<" "<<sfr<<" "<<smax<<"\n";
	return 0;
}