#include<fstream.h>

int main()

{
 long n,k,i,j,pi=0,pf=0,max=-2147483647,a[50001],suma[50001];

 ifstream fin("secv2.in");
 fin>>n>>k;

 suma[0]=0;

 for (i=1; i<=n; i++)
	{
	 fin>>a[i];
	 suma[i]=suma[i-1]+a[i];
	}

 ofstream fout("secv2.out");

 if (k==n)
	fout<<"1 "<<n<<" "<<suma[n]; else
	{
	 for (i=1; i<=n-k+1; i++)
		for (j=i+k-1; j<=n; j++)
		 if (suma[j]-suma[i-1]>max)
			{
			 pi=i;
			 pf=j;
			 max=suma[j]-suma[i-1];
			}

	 fout<<pi<<" "<<pf<<" "<<max;
	}

 fin.close();
 fout.close();

 return 0;
}