#include <bits/stdc++.h>

using namespace std;

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

vector<long long> sp(6000001);

int main() {
	int n, k;
	fin >> n >> k;
	for (int i = 1; i <= n; i++) {
		fin >> sp[i];
	}

	long long maxi = -9223372036854775807, ansi, ansj, mini = 0, j;
	for (int i = 1; i <= n; i++) {
		sp[i] += sp[i - 1];
		if (maxi < sp[i] - mini && i - j >= k) {
			maxi = sp[i] - mini;
			ansj = j + 1;
			ansi = i;
		}if (mini > sp[i]) {
			mini = sp[i];
			j = i;
		}
	}
	fout << ansj << " " << ansi << " " <<maxi << '\n' ;

	return 0;
}