#include<fstream>
#include<cstdio>
using namespace std;
int s[50002];
int main()
{
	int i,n,k,smax=-2000000000,x,suma=0,dr,minim=2000000000,j;
	freopen("secv2.in","r",stdin);
	scanf("%d",&n);
	scanf("%d",&k);
	int inc=1,sf=k;
	for(i=1;i<=n;i++)
	{
		scanf("%d",&x);
		s[i]=s[i-1]+x;
	}
	j=1;
	for(dr=1;dr<n+1;dr++)
	{
		//minim=min(minim,s[dr-1]);
		if(s[dr-1]<minim)
		{
			minim=s[dr-1];
			j=dr;
		}
		suma=s[dr]-minim;
		if(suma>smax && dr-j+1>=k)
		{
			smax=suma;
			inc=j;
			sf=dr;
		}
	}
	ofstream fout("secv2.out");
	fout<<inc<<' '<<sf<<' '<<smax<<"\n";
	fout.close();
	return 0;
}