#include <fstream>

using namespace std;

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

long i, n, k, a[60000], s[60000], smin=2000000000, smax=-2000000000, pmin, pmax;

int main()
{
    f>>n>>k;
    for(i=1; i<=n; ++i)
    {
        f>>a[i];
        s[i]=s[i-1]+a[i];
    }

	for(i=k; i<=n; ++i)
	{
		if(s[i-k]<smin)
		{
			smin=s[i-k];
			pmin=i-k;
		}
		if(s[i]-smin>smax)
		{
			smax=s[i]-smin;
			pmax=i;
		}
	}
    g<<pmin+1<<" "<<pmax<<" "<<smax<<"\n";
}