#include <fstream>

using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
const int NMAX=25000;
int s[NMAX+1];
int main()
{
    int n,i,smax=1<<31,x,sc=-1,p2,p1,p,k;
    fin>>n>>k;
    for(i=1; i<=n; i++)
    {
        fin>>x;
        s[i]=s[i-1]+x;
        if(i>=k&& sc+x<s[i]-s[i-k])
        {
            sc=s[i]-s[i-k];
            p=i-k+1;
        }
        else
        {
            sc+=x;
        }
        if(sc>smax)
        {

            if(i>=k)
            {
                p2=i;
                p1=p;
                smax=sc;
            }
        }
    }
    fout<<p1<<" "<<p2<<" "<<smax;
    return 0;
}