#include <iostream>
#include <fstream>

using namespace std;
ifstream fin ("secv2.in");
ofstream fout ("secv2.out");
int main()
{   int i,n,a,ant=0,curent=1,Max=-25001,i1,i2,k;
   fin>>n>>k;
   for (i=1;i<=n;i++)
   {fin>>a;

if (i-curent+1>=k)
{ant+=a;

     if (Max<ant)
       {Max=ant;i1=curent;i2=i;}
   if (ant<0) ant=a,curent=i;

}else ant+=a;

   }fout <<i1<<" "<<i2<<" "<<Max;
    return 0;
}