#include <fstream>
using namespace std;
#define inf 1250000000
int main()
{
	ifstream cin("secv2.in");ofstream cout("secv2.out");
	int v[50005],n=0,k,i;
    cin>>n>>k;
    v[0]=0;
    for(i=1;i<=n;i++)
        cin>>v[i],v[i]+=v[i-1];
	int minim=0,poz_minim=0,start=0,stop=0,maxim=-inf;
    for(i=k;i<=n;i++)
    {
        if(v[i-k]<minim)
        {
            minim=v[i-k];
            poz_minim=i-k;
        }
        if((v[i]-minim)>maxim)
        {
            maxim=v[i]-minim;
            start=poz_minim;
            stop=i;
        }
    }
    cout<<start+1<<' '<<stop<<' '<<maxim<<'\n';
    cin.close();cout.close();return 0;
}