#include <fstream>

using namespace std;

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

int sum[50001],v[50001];

int main()
{
    int n,k,sc,smax,stc,stmax,drmax;
    in>>n>>k;
    for(int i=1; i<k; i++)
    {
        in>>v[i];
        sum[i]=sum[i-1]+v[i];
    }
    sc=k*(-25000);
    smax=-25001;
    for(int i=k; i<=n; i++)
    {
        in>>v[i];
        sum[i]=sum[i-1]+v[i];
        sc+=v[i];
        if(sum[i]-sum[i-k]>sc)
        {
            sc=sum[i]-sum[i-k];
            stc=i-k+1;
        }
        if(sc>smax)
        {
            smax=sc;
            stmax=stc;
            drmax=i;
        }
    }
    out<<stmax<<" "<<drmax<<" "<<smax;
    return 0;
}