#include <cstdio>
#include <iostream>
#include <set>
#include <climits>

using namespace std;

int main() {
    freopen("secv2.in", "r", stdin);
    freopen("secv2.out", "w", stdout);

    ios::sync_with_stdio(false);
    cin.tie(0);

    int s[50005], d[50005], n, k;
    cin >> n >> k;
    s[0] = 0;
    for (int i = 1; i <= n; i++) {
        int aux;
        cin >> aux;
        s[i] = s[i - 1] + aux;
    }
    int f = 1, b = 0, ans = LONG_MIN, inc, fin;
    for (int i = k; i <= n; i++) {
        while (f <= b && s[d[b]] < s[i]) {
            b--;
        }
        b++;
        d[b] = i;
    }
    for (int i = 0; i <= n - k; i++) {
        if (s[d[f]] - s[i] > ans) {
            inc = i + 1;
            fin = d[f];
            ans = s[d[f]] - s[i];
        }
        if (i + k == d[f]) {
            f++;
        }
    }
    cout << inc << " " << fin << " " << ans;

    return 0;
}