#include<fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int n,k,x,v[50001],maxim=-1<<32,minim,in,sf,poz;
int main()
{
	int i;
	f>>n>>k;
	for(i=1;i<=n;i++)
	{
		f>>x;
		v[i]=v[i-1]+x;
		if(maxim<v[i]-minim&&i-poz>=k)
		{
			maxim=v[i]-minim;
			in=poz+1;
			sf=i;
		}
		if(v[i]<minim&&n-i+1>=k)
		{
			minim=v[i];
			poz=i;
		}
	}
	g<<in<<" "<<sf<<" "<<maxim;
	return 0;
}