#include <fstream>

using namespace std;

ifstream fin("secv2.in");
ofstream fout("secv2.out");

long long inc, sf, n, k, v[50010], smin = 10000000000, smax = -10000000000, incmax, sfmax;

int main()
{
    int i, x;
    fin >> n >> k;
    for (i = 1; i <= n; i++)
    {
        fin >> x;
        v[i] = v[i - 1] + x;
    }
    inc = 1;
    for (sf = k; sf <= n; sf++)
    {
        if (v[sf] - v[inc - 1] > smax)
        {
            smax = v[sf] - v[inc - 1];
            incmax = inc;
            sfmax = sf;
        }
        if (v[sf - k + 1] < smin)
        {
            smin = v[sf - k + 1];
            inc = sf - k + 2;
        }
    }
    fout << incmax << ' ' << sfmax << ' ' << smax << '\n';
    fout.close();
    return 0;
}