#include <fstream>
#include <vector>
#include <climits>
using namespace std;

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

int main() {
	vector<int> start_indexes;
	int n, k, value, max_sum = INT_MIN, current_sum = 0, start_index = 0, start_pos = 0, end_pos = 0, a = 0, b = 0;
	// current_sum - stores the maximum value between the current value and the sum of previously computed sum and current value 
	// max_sum - computes the maximum value between 0 and the largest value out of all current sums 
	fin >> n >> k;
	for (int i = 1; i <= n; ++i) {
		fin >> value;
		if (value > current_sum + value) {
			start_index = i;
		}
		current_sum = max(current_sum + value, value);
		if (current_sum > max_sum && i - start_index + 1 >= k) {
			start_pos = start_index;
			end_pos = i;
			max_sum = current_sum;
		}
	}
	fout << start_pos << ' ' << end_pos << ' ' << max_sum;
	return 0;
}