#include <cstdio>

using namespace std;
int a[50000],i,j,k,n,s[50000],mmax,p,u;
int main()
{
	freopen("secv2.in","r",stdin);
	freopen("secv2.out","w",stdout);
	scanf("%d%d",&n,&k);
	for(i=1;i<=n;i++)
	{
		scanf("%d",&a[i]);
		s[i]=s[i-1]+a[i];
	}
	mmax=s[k];
	p=1;
	u=k;
	for(i=k+1;i<=n;i++)
	{
		for(j=0;j<=i-k;j++)
		if(mmax<s[i]-s[j])
		{
			mmax=s[i]-s[j];
			p=j+1;
			u=i;
		}
	}
	printf("%d %d %d",p,u,mmax);
	return 0;
}