#include <iostream>
#include <fstream>

using namespace std;

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

int v[50001], sum[50001];

int main()
{
    int n, i, k, q, p, sc, pc=1, smax, pmax, umax;
    in >> n >> k;
    smax=-2000000000;
    sc=0;
    for (int i=1; i<=n; i++)
    {
        in >> v[i];
        sum [i]=sum[i-1]+v[i];
        if (i>=k&&sum[i]-sum[i-k]>sc+v[i])
        {
            sc=sum[i]-sum[i-k];
            pc=i-k+1;
        }
        else
        {
            sc+=v[i];
        }
        if(i>=k && sc>smax)
        {
            smax=sc;
            pmax=pc;
            umax=i;
        }
    }
    out << pmax << " " << umax << " " << smax;
    return 0;
}