#include <fstream>
using namespace std;
ifstream in("secv2.in");
ofstream out("secv2.out");
const int N=100005;
int v[N];
int main()
{
    int n,k,poz=0,Max=-25001,st=1,dr=k;
    in>>n>>k;
    for(int i=1;i<=n;i++){
        in>>v[i];
        v[i]+=v[i-1];
    }
    in.close();
    for(int i=k+1;i<=n;i++){
        if(v[i-k]<v[poz])
            poz=i-k;
        if(v[i]-v[poz]>Max){
            Max=v[i]-v[poz];
            st=poz+1;
            dr=i;
        }
    }
    out<<st<<" "<<dr<<" "<<Max<<"\n";
    out.close();
    return 0;
}