#include <fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n,k,i,a[50005],s[50005],minim,maxim,pmax,umax,p;
int main()
{
    fin>>n>>k;
    for(i=1;i<=n;i++)
    {
        fin>>a[i];
        s[i]=s[i-1]+a[i];
    }
    minim = 1000000000;
    maxim=-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;
            pmax=p;
            umax=i;
        }
    }
    fout<<pmax+1<<" "<<umax<<" "<<maxim;
    return 0;
}