#include <bits/stdc++.h>

using namespace std;

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

#define int long long

const int N_MAX = 50005;

int n, k, ans = -1e9, v[N_MAX], l = 1, r = 1;

deque <int> dq_min;

int32_t main() {
    fin >> n >> k;
    for (int i = 1; i <= n; i++) {
        fin >> v[i];
        v[i] += v[i - 1];
    }
    for (int i = k; i <= n; i++) {
        int j = i - k;
        while (!dq_min.empty() && v[dq_min.back()] > v[j])
            dq_min.pop_back();
        dq_min.push_back(i);
        if (ans <= v[i] - v[dq_min.front()] && i - (dq_min.front() + 1) + 1 >= k) {
            ans = v[i] - v[dq_min.front()];
            l = dq_min.front() + 1;
            r = i;
        }
    }
    fout << l << " " << r << " " << ans << "\n";
    return 0;
}