#include <fstream>

using namespace std;

int n,i,v[50001],k,s[50001],p,u,maxim,minim,pmax;

ifstream fin ("secv2.in");

ofstream fout ("secv2.out");

int main (){

    fin>>n>>k;
    for (i=1;i<=n;i++){
        fin>>v[i];
        s[i] = s[i-1] + v[i];
    }
    minim = 1000000000;

    for (i=k;i<=n;i++){
        if (s[i-k] < minim){
            minim = s[i-k];
            p = i-k;
        }
        if (s[i]-minim > maxim){
            maxim = s[i]-minim;
            u = i;
            pmax = p;
        }
    }
    fout<<pmax+1<<" "<<u<<" "<<maxim;

    return 0;
}