#include <fstream>
using namespace std;

int a[50001], s[50001], pmin[50001], n, k;

ifstream f("secv2.in");
ofstream g("secv2.out");

int main()
{	f>>n>>k;
	int i, mini=0;
	for (i=1; i<=n; ++i)
	{	f>>a[i];
		s[i]=s[i-1]+a[i];
		if (s[i]<mini)
		{	mini=s[i];
			pmin[i]=i;
		}
		else
			pmin[i]=pmin[i-1];
	}
	int maxi=-2000000000, st, sf;
	for (i=k; i<=n; ++i)
		if (maxi<s[i]-s[pmin[i-k]])
		{	maxi=s[i]-s[pmin[i-k]];
			st=pmin[i-k]+1;
			sf=i;
		}
	g<<st<<' '<<sf<<' '<<maxi<<'\n';
    return 0;
}