#include <fstream>
#include <vector>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int n,k,i,j,el,poz,fin,maxim;
vector <int> a;
int main()
{
    f>>n>>k;
    for(i=0;i<n;i++)
    {
        f>>el;
        a.push_back(el);
        if(i) a[i]+=a[i-1];
    }
    for(i=k;i<n;i++)
        for(j=0;j<=i-k;j++)
            if(a[i]-a[j]>maxim) maxim=a[i]-a[j],poz=j+1,fin=i;
    g<<poz+1<<" "<<fin+1<<" "<<maxim;
    return 0;
}