#include <stdio.h>
long int i, n, k, p1, p2, p1rez, p2rez, s, rez, min, x;
long int sum[50002];

int main()
{
	freopen("secv2.in","r",stdin);
	freopen("secv2.out","w",stdout);
	scanf("%ld %ld",&n, &k);
	rez=-25000*50000-2;
	p1=1;
	for(i=1;i<=n;i++)
	{
		scanf("%ld",&x);
		s=s+x;
		sum[i]=s;
		if (i>=k)
		{
			if (min>sum[i-k])
			{
				p1=i-k+1;
				min=sum[i-k];
			}
			if (s-min>rez)
			{
				rez=s-min;
				p1rez=p1;
				p2rez=i;
			}
		}
	}
	printf("%ld %ld %ld",p1rez, p2rez, rez);
	return 0;
}