#include<fstream>
using namespace std;

int i,j,n,m,k,a[50001],ic,sf,max1=0,s1,intx;
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(s1<0)
			{
				s1=a[i];
				intx=i;
			}
			else
				s1+=a[i];
			if(max1<s1&&i-intx>=k)
			{
				max1=s1;
			ic=intx;;
			sf=i;
		    }
		}
		g<<ic<<" "<<sf<<" "<<max1;
		return 0;
}