#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, p;
    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;
    p = 1;
    for ( i = k; i <= n; i++ )
    {
        if ( sum[i] - sum[i-k] > sc + v[i] )
        {
            sc = sum[i] - sum[i-k];
            p = i - k + 1;
        }
        else
            sc+= v[i];
        if ( sc > smax )
        {
            smax = sc;
            stmax = p;
            drmax = i;
        }
    }
    out << stmax <<' '<< drmax<< ' '<< smax;
    return 0;
}