#include <fstream>
#include <climits>
using namespace std; //rezolvarea legitima, celelalte-s bune din cauza testelor proaste

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

const int NMAX = 100003;
int sp[NMAX];
int main()
{
    int n, k, i;
    cin >> n >> k;
    for (i = 1; i <= k; i++)
    {
        cin >> sp[i];
        sp[i] += sp[i - 1];
    }
    int sc = sp[k], st1, st = 1, dr = k, ans = sp[k];
    for (i = k + 1; i <= n; i++)
    {
        int x;
        cin >> x;
        sp[i] = sp[i - 1] + x;
        if (sp[i] - sp[i - k] > sc + x)
        {
            sc = sp[i] - sp[i - k];
            st1 = i - k + 1;
        }
        else
            sc += x;
        if (ans < sc)
        {
            ans = sc;
            st = st1;
            dr = i;
        }
    }
    cout << st << " " << dr << " " << ans;
}