#include <stdio.h>
#include <stdlib.h>
#include <string.h>
long a[50005],b[50005],i,j,n,k,max=-200000000,x,y;
char cit[3500014],*r;
int main()
{
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    scanf("%ld %ld\n",&n,&k);

    gets(cit);     
    r=cit;     
    for(i=1;i<n;++i)     
    {    
        a[i]=atol(r); b[i]=b[i-1]+a[i]    ;
        r=strchr(r,' ');     
        r++;     
    }     
    a[n]=atol(r);b[n]=b[n-1]+a[n];
    /*for(i=1;i<=n;i++)
    {scanf("%ld ",&a[i]);b[i]=b[i-1]+a[i];}*/
    for(i=1;i<=n-k+1;i++)
    for(j=i+k-1;j<=n;j++)
    {
     if(max<b[j]-b[i-1]){max=b[j]-b[i-1];x=i;y=j;}
    }
    printf("%ld %ld %ld",x,y,max);
    return 0;
}