#include <fstream>

using namespace std;

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

int sp[50005];

int main()
{
    int n, k, i, x, st = 0, stt, dr = 1, s = -1, smax = -2000000000;
    in >> n >> k;
    for (i = 1; i <= n; ++i)
    {
        in >> x;
        sp[i] = sp[i - 1] + x;
    }
    for (i = 1; i <= n; ++i)
    {
        if (i >= k && s + sp[i] - sp[i - 1] < sp[i] - sp[i - k])
        {
            s = sp[i] - sp[i - k];
            st = i - k + 1;
        }
        else
            s += sp[i] - sp[i - 1];
        if (i >= k && s > smax)
        {
            smax = s;
            stt = st;
            dr = i;
        }
    }
    out << stt << " " << dr << " " << smax;
    return 0;
}