#include <fstream>

using namespace std;

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

int n, k, v[50005], i, j, sum, summax, pozinceput, pozfinal;

int main()
{
    fin >> n >> k;
    for(i = 1; i <= n; i++)
    {
        fin >> j;
        v[i] = v[i - 1] + j;
    }
    for(i = 1; i + k <= n; i++)
    {
        for(j = i + k; j <= n; j++)
        {
            if(v[j] - v[i] > summax)
            {
                summax = v[j] - v[i];
                pozinceput = i + 1;
                pozfinal = j;
            }
        }
    }
    fout << pozinceput << ' ' << pozfinal << ' ' << summax << '\n';
    return 0;
}