#include <bits/stdc++.h>
using namespace std;
#define int long long
ifstream in ("secv2.in");
ofstream out ("secv2.out");
int v[50001];
int sume[50001];
main ()
{
	int n, k;
	cin >> n >> k;
	for (int i = 1;i<=n;++i)
		cin >> v[i];
	for (int i = 1;i<=n;++i)
		sume[i] = sume[i-1] + v[i];
	int poz_for_sum = 0;
	int sum = 1<<30;
	int poz = 0;
	int max_sum = -(1<<30);
	for (int i = k;i<=n;++i)
	{
		if (sum > sume[i - k])
		{
			poz_for_sum = i - k + 1;
			sum = sume[i-k];	
		}
		if (sume[i] - sum > max_sum)
		{
			poz = i;
			max_sum = sume[i] - sum;
		}
	}
	cout << poz_for_sum << ' ' << poz << ' ' << max_sum;
	return 0;
}