#include <fstream.h>
long smax,ps,pi,s,a[50002],b[50002],n,i,j,k;
int main()
{

ifstream f("secv2.in");
f>>n>>k;
for(i=1;i<=k;i++)
{
	f>>a[i];
	b[i]=b[i-1]+a[i];
}
for(i=k+1;i<=n;i++)
{
	f>>a[i];
	b[i]=b[i-1]+a[i]-a[i-k];
	if (a[i]+b[i-1]>b[i])b[i]=b[i]+a[i-k];
	if (b[i]>smax)
	{
		smax=b[i];
		ps=i;
	}
}
f.close();
s=smax;
for (i=ps;i>0;i--)
{
	s-=a[i];
	if (s==0)
	{
		pi=i;
		i=0;
	}
}
ofstream g("secv2.out");
g<<pi<<" "<<ps<<" "<<smax<<"\n";
g.close();
return 0;
}