#include <fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int suma=-1,x,n,i,i1,iin,isf,max1=-2100000,k,nr;
int main()
{f>>n>>k;
for(i=1;i<=n;i++)
{f>>x;
if(suma>=0)
   suma=suma+x;
else
   {i1=i;
   suma=x;
   }
   if(suma>max1)
   {max1=suma;
   iin=i1;
   isf=i;
   }
   }
   if(isf-iin+1>=k)
   g<<iin<<" "<<isf<<" "<<max1;
   return 0;
}