#include<cstdio>
using namespace std;
int n,k,i,sc,stc,stmax,drmax,smax,x,v[50010];
void read()
{
	freopen("secv2.in","r",stdin);
	freopen("secv2.out","w",stdout);
	scanf("%d%d",&n,&k);
	for(i=1;i<=n;i++)
		scanf("%d",&v[i]);
}

void rez()
{
	stc=1;
	smax=-2000000000;
	sc=0;
	stmax=drmax=1;
	for(i=1;i<=n;++i)
	{
		x=v[i];
		if(sc<0)
		{
			sc=0;
			stc=i;
		}
		sc+=x;
		if(sc>smax && i-stc+1>=k)
		{
			smax=sc;
			stmax=stc;
			drmax=i;
		}
	}
	printf("%d %d %d\n",stmax,drmax,smax);
}

int main()
{
	read();
	rez();
	return 0;
}