#include <fstream>

using namespace std;
ifstream cin("secv2.in");
ofstream cout("secv2.out");
int s[50001];
int main()
{
	int n, i, k, j, minn = 0, maxx = -1250000000, left = 1, right, posMin;
	cin >> n >> k;
	int v[50001];
	for (i = 1; i <= n; i++)
	{
		cin >> v[i];
		s[i] = s[i - 1] + v[i];
	}
	for (i = k; i <= n; i++)
	{
		if (s[i] - minn > maxx) maxx = s[i] - minn, right=i, left = posMin+1;
		if (s[i-k+1] < minn) minn = s[i-k+1], posMin = i-k+1;
	}
	cout << left<<" "<<right<<" "<<maxx;
	return 0;
}