#include <fstream>
#include <climits>
using namespace std;

ifstream cin("secv2.in");
ofstream cout("secv2.out");

const int NMAX = 50003;
int sp[NMAX];
int main()
{
    int n, k, st, dr, st1, sc, smax, i, sum, wtf, idk, idc;
    smax = wtf = INT_MIN;
    sc = -1;
    sum = 0;
    cin >> n >> k;
    st = dr = -1;
    for (i = 1; i <= n; i++)
    {
        int x;
        cin >> x;
        sp[i] = sp[i - 1] + x;
        if (sc + x < x)
        {
            st1 = i;
            sc = 0;
        }
        sc += x;
        if (i - st1 + 1 >= k)
            if (smax < sc)
            {
                smax = sc;
                st = st1;
                dr = i;
            }
        if (i >= k)
            if (wtf < sp[i] - sp[i - k])
            {
                wtf = sp[i] - sp[i - k];
                idk = i;
                idc = i - k + 1;
            }
    }
    if (smax == INT_MIN)
    {
        smax = wtf;
        st = idc;
        dr = idk;
    }
    cout << st << " " << dr << " " << smax;
}