#include<iostream>
#include<fstream>
using namespace std;
int s[50001],a[50001];
int main ()
{
	int p,i2,k,i,sc=0,smax=-100,n,j;
	ifstream f("secv2.in");
	ofstream g("secv2.out");
	f>>n;
	f>>k;
	for(i=1; i<=n; i++)
	{
		f>>a[i];
		s[i]=s[i-1]+a[i];
	}
	smax=sc=s[k];
	i2=1;
	p=1;
	j=k;
	for(i=k+1; i<=n; i++)
	{
		if (sc+a[i]>s[i]-s[i-k])
			{
				sc=sc+a[i];
			}
		else
		{
			sc=s[i]-s[i-k];
			i2=i-k+1;
		}
		if (smax<sc)
		{
			smax=sc;
			j=i;
			p=i2;
		}
	}
	g<<p<<" "<<j<<" "<<smax;
	f.close(); g.close();
	return 0;
}