#include <stdio.h>
#include <math.h>
#define max(a,b) ((a>b) ? a : b)
long a[50005],b[50005],i,j,n,k,max=-200000000,x,y,q=-200000000,p;
int main()
{
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    scanf("%ld %ld\n",&n,&k);
    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;
}