#include <fstream>

using namespace std;
short v[50001];
int main()
{
    ifstream f("secv2.in");
    ofstream g("secv2.out");
    short n,k,inc=1,minim=30000,fina,poz1,fina1,poz2,i,poz,a;
    long long s=0,maxim=-900000000000;
    f>>n;
    f>>k;
    poz=1;
    for(i=1;i<=n;i++)
    {
        f>>v[i];
        //if(minim<v[i]) {minim=v[i];poz2=i;}
        s+=v[i];
        if(maxim<s and i-poz+1>=k) {maxim=s;fina1=i;poz1=poz;}
        if(s<0 and i-poz+1>=k){poz=i+1;s=0;}
    }
    g<<poz1<<" "<<fina1<<" "<<maxim;
    f.close();
    g.close();

    return 0;
}