#include <cstdio>

using namespace std;

int s[50005],n;

FILE *f,*g;


int main()
{
    int v,mx,i,j,a,k,p1,p2;

    f=fopen("secv2.in","r");
    g=fopen("secv2.out","w+");

    setvbuf ( f , NULL , _IOFBF , 1024 );
    setvbuf ( g , NULL , _IOFBF , 1024 );

    fscanf(f,"%d %d",&n,&k);
    for (i=1;i<=n;i++)
    {
        fscanf(f,"%d",&v);
        s[i]=s[i-1]+v;
    }
    mx=s[k]; p1=1; p2=k;
    for (i=1;i<=n;i++)
        for (j=i+k-1;j<=n;j++)
        {
            a=s[j]-s[i-1];
            if (a>mx) { mx=a; p1=i; p2=j; }
        }
    fprintf(g,"%d %d %d\n",p1,p2,mx);
    fclose(f); fclose(g);
    return 0;
}