#include <fstream>

using namespace std;

ifstream f("secv2.in");
ofstream g("secv2.out");

int i,j,i1,max1=-2100000,x,pozi,pozj,suma=-1,n,k;
int s[50001];

int main()
{
    f>>n>>k;
    for (i=1;i<=n;i++)
    {
        f>>x;
        s[i]=s[i-1]+x;
    }
    for (i=k;i<=n;i++)
        for (j=i-k;j>=0;j--)
            if (s[i]-s[j]>max1)
            {
                max1=s[i]-s[j];
                pozi=j+1;
                pozj=i;
            }
    g<<pozi<<" "<<pozj<<" "<<max1;
    return 0;
}