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

ifstream cin("secv2.in");
ofstream cout("secv2.out");
int main()
{
    int n, k, st, dr, st1, sc = -1, smax = INT_MIN, i;
    cin >> n >> k;
    for (i = 1; i <= n; i++)
    {
        int x;
        cin >> 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;
            }
    }
    cout << st << " " << dr << " " << smax;
}