#include <fstream>
using namespace std;

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


int main()
{
    int n, st, dr, k;
    int v[50001], s[50001];
    fin >> n >> k;
    for(int i = 1; i <= n; i++)
    {
        fin >> v[i];
        s[i] = s[i - 1] + v[i];
    }
    int sc = s[k - 1], start = 1, smax = -(1<<29);
    for(int i = k; i <= n; i++)
    {
        sc += v[i];
        if(s[i] - s[i - k] > sc)
        {
            start = i - k + 1;
            sc = s[i] - s[i - k];
        }
        if(sc > smax)
        {
            smax = sc;
            st = start;
            dr = i;
        }
    }
    fout << st << ' ' << dr <<' '<< smax;
    fin.close();
    fout.close();
    return 0;
}