#include<fstream>

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

long long s=0,maxx=-2147483647;
int n,k,v[50005],i,nr,startc,start,stop;

int main()
{
	f>>n>>k;
	for(i=0;i<n;i++)
	{
		f>>nr;
		s+=nr;
		if(s<0)
    	{
      	  s=0;
 	      startc=i;
    	}
    	if(s>maxx)
    	{
      	  maxx=s;
      	  start=startc;
      	  stop=i;
    	}
	}
	if(stop+1-start+2>=k)
		g<<start+2<<" "<<stop+1<<" "<<maxx;
	else 
		g<<0;
	f.close();
	g.close();
	return 0;
}