#include<fstream>
using namespace std;
long n,k,sum,max1,st=1,sf,in,i,a[50001];
int main()
{
	ifstream f("secv2.in");
	ofstream g("secv2.out");
	f>>n>>k;
	for(i=1;i<=n;i++)
		f>>a[i];
	for(i=1;i<=n;i++)
	{
		if(sum<=0)
		{
			sum=a[i];
			st=i;
		}
		else
			sum=sum+a[i];
		if(max1<sum && i-st>=k)
		{
			sf=i;
			in=st;
			max1=sum;
		}
	}
	g<<in<<" "<<sf<<" "<<max1;
}