#include <fstream>

using namespace std;

int v[50001], sum[50001];

int main()
{
    ifstream in("secv2.in");
    ofstream out("secv2.out");
    int n, k, i, sc , smax, stmax, drmax, poz;
    in >> n >> k;
    in >> v[1];
    sum[1] = v[1];
    for ( i = 2; i <= n; i++ )
    {
        in >> v[i];
        sum[i] = sum[i-1] + v[i];
    }
    smax = sum[k];
    stmax = 1;
    drmax = k;
    for ( i = k; i <= n; i++ )
    {
        poz = i;
        while( poz <= n )
        {
            sc = sum[poz] - sum[i-k];
            if ( sc > smax )
            {
                smax = sc;
                stmax = i - k+1;
                drmax = poz;
            }
            poz++;
        }
    }
    out << stmax <<' '<< drmax<< ' '<< smax;
    return 0;
}