#include<fstream>
using namespace std;

int v[500001],d[500001],i,n,k,p,u,x,mx;
long long s;

int main()
{
	ifstream f("secventa.in");
	ofstream g("secventa.out");
	f >> n >> k;
	for (i=1;i<=n;i++)
		f >> v[i];
	p=1;u=0;s=0;
	for (i=1;i<=n;i++)
	{
		while ((p<=u) && (v[i]<=v[d[u]]))
			u--;
		u++;
		d[u]=i;
		if (i-d[p]==k)
			p++;
		if ((i>=k) && (d[p]>mx))
		{
			mx=d[p];
			x=i-k+1;
		}	
	}		
	g << x << ' ' << x+k-1 << ' ' << mx;
}