#include <fstream>
using namespace std;
ifstream f("secventa2.in");
ofstream g("secventa2.out");
int suma=-1,max1=-31000,i,isf,iin,i1,x,n,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;
}