#include <stdio.h>

using namespace std;
long long max1,s;
int i,k,nr,r,n,a[50004],sf,st,start;
FILE *f,*g;

int main()
{f=fopen ("secv2.in","r");
 g=fopen ("secv2.out","w");
 fscanf (f,"%d%d",&n,&k);
 max1=-1000000000;
 start=1;
 for (i=1;i<=n;i++)
 {
     fscanf (f,"%d",&a[i]);
     s+=a[i];
     nr++;
     if (nr>k)
     {
         r+=a[i-k];
     }
     if (r<0)
     {
         start=i-k+1;
         s-=r;
         r=0;
         nr=k;
     }
     if (s>max1 && nr>=k)
     {
         max1=s;
         st=start;
         sf=i;
     }

 }
 fprintf (g,"%d %d %lld",st,sf,max1);

    return 0;
}