#include <fstream>
using namespace std;
ifstream in ("secv2.in");
ofstream out ("secv2.out");
int v[50001],sum[50001];
int main()
{   int n,k,pmax,umax,pc;
    long long sc=0,smax=-2000000000;
    in >> n >> k;
    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;
}