#include <cstdio>
#include <iostream>
#include <vector>
#include <set>
#include <cmath>
#include <climits>
#include <list>
#include <iomanip>
#include <cstdlib>
#include <map>
#define nmax 50005

using namespace std;

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

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

    int n, k;
    cin >> n >> k;
    long long sum[nmax];
    sum[0] = 0;
    for (int i = 1; i <= k; i++) {
        int v;
        cin >> v;
        sum[i] = sum[i - 1] + v;
    }
    int inc = 1, fin = k, sm = sum[k], poz_min = 0;
    for (int i = k + 1; i <= n; i++) {
        int v;
        cin >> v;
        sum[i] = sum[i - 1] + v;
        if (sum[i - k] < sum[poz_min]) {
            poz_min = i - k;
        }
        if (sum[i] - sum[poz_min] > sm) {
            sm = sum[i] - sum[poz_min];
            inc = poz_min + 1;
            fin = i;
        }
    }
    cout << inc << " " << fin << " " << sm;

    return 0;
}