#include <fstream>

using namespace std;

#define int long long

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

const int NMAX = 1e6;

int n, k, sum, l, r, answer;
int a[NMAX + 1];
pair<int, int> mini[NMAX + 1];

signed main() {
    cin >> n >> k;
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
    }

    mini[0] = {0, 0};
    for(int i = 1; i <= n; i++) {
        sum += a[i];
        if(i >= k) {
            if(sum - mini[i - k].first > answer) {
                answer = sum - mini[i - k].first;
                l = mini[i - k].second + 1;
                r = i;
            }
        }
        mini[i] = min(mini[i - 1], {sum, i});
    }
    cout << l << ' ' << r << ' ' << answer << '\n';
    return 0;
}