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

FILE *f,*g;

int v[50002];

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