#include <stdio.h>
#include <climits>
using namespace std;

FILE *f,*g;

int s[50002];

int main()
{
    f=fopen("secv2.in","r");
    g=fopen("secv2.out","w");
    int n,k,i,nr,suma,in,sf,max,j;
    suma=0;
    fscanf(f,"%d %d",&n,&k);
    for (i=1; i<=n; i++)
    {
        fscanf(f,"%d",&nr);
        suma+=nr;
        s[i]=suma;
    }
    in=0;
    sf=0;
    max=INT_MIN;
    for (i=1; i<=n; i++)
    {
        for (j=i+k-1; j<=n; j++)
            {
                if (s[j]-s[i-1]>max)
                {
                    max=s[j]-s[i-1];
                    in=i;
                    sf=j;
                }
            }
    }
    //for (i=1; i<=n; i++)
      //  fprintf(g,"%d ",s[i]);
    fprintf(g,"%d %d %d",in,sf,max);
    fclose(f);
    fclose(g);
}