#include <bits/stdc++.h>

using namespace std;

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

int n, v[50001], sumamax = -2e9, inceput, helper = 1, sfarsit, k, sp[50001];

int main() {
    in >> n >> k;

    for (int i = 1; i <= n; ++i) {
        in >> v[i];
        sp[i] = sp[i - 1] + v[i];
    }

    int sum = sp[k-1];
    for (int i = 1; i <= n; ++i) {
        sum += v[i];

        if (sp[i] - sp[i - k] > sum) {
            helper = i - k + 1;
            sum = sp[i] - sp[i - k];
        }

        if (sumamax < sum) {
            sumamax = sum;
            inceput = helper;
            sfarsit = i;
        }
    }

    out << inceput << " " << sfarsit << " " << sumamax;
    return 0;
}