#include <stdio.h>
#define INF 99999999
#define MAXN 50002

int a[MAXN];

int main()
{
	freopen("secv2.in","r",stdin);
	freopen("secv2.out","w",stdout);

	int n,k,i,j,st = 1,bend,bst,nr,end,best = -INF,max = -INF;

	scanf("%d%d",&n,&k);

	for (i=0;i<n;i++)
	{
		scanf("%d",&nr);
		a[i] = nr;
		if (best+nr<nr)
		{
			best = nr;
			st = i+1;
			end = i;
		}
		else
		{
			best+=nr;
			end = i+1;
			if (end-st>=k && best>max)
			{
				max = best;
				bend = end;
				bst = st;
			}
		}
	}
	if (max != -INF)
	{
		printf("%d %d %d",bst,bend,max);
	}
	else
	{
		for (i=0;i<n-k+1;i++)
		{
			bend = 0;
			for (j=0;j<k;j++)
			{
				bend+=a[i+j];
			}
			if (bend>max)
			{
				max = bend;
				st = i+1;
				end = i+k;
			}
		}
		printf("%d %d %d",st,end,max);
	}
	return 0;
}