#include<fstream>
using namespace std;

int i,n,a[50005],max1,ic,sf,k,x,min1;
int main()
{
	ifstream f("secv2.in");
	ofstream g("secv2.out");
	f>>n>>k;
	min1=20000000;
	for(i=1;i<=n;i++)
		f>>x,a[i]=a[i-1]+x;
	max1=-20000000;
	for(i=k;i<=n;i++)
	{
		if(a[i-k]<min1)
		{
			min1=a[i-k];
			ic=i-k+1;
		}
			if(a[i]-min1>max1)
			{
				max1=a[i]-min1;
				sf=i;
			}
	}
			g<<ic<<" "<<sf<<" "<<max1<<"\n";
			return 0;
}