#include<fstream>
using namespace std;
unsigned long long a[50010],n,i,smax,pmax,j,s,l,max1=-21000000,p,suma,i1,st,dr;
int main()
{
    ifstream f("secv2.in");
    ofstream g("secv2.out");
    f>>n>>l;
    for(i=1;i<=n;i++)
        f>>a[i];
for(i=1;i<=n;i++)
{p=a[i];
    if(suma>=0)
        suma=suma+p;
    else
    {
          i1=i;
          suma=p;
    }
    if(suma>=max1)
    {
        max1=suma;
        st=i1;
        dr=i;
    }

}
if(dr-st>l)
    g<<st<<" "<<dr<<" ";
for(i=st;i<=dr;i++)
    s=s+a[i];
g<<s;
}