#include<stdio.h>
int a[50005],s[50005];
int main()
{
	freopen("secv2.in","r",stdin);
	freopen("secv2.out","w",stdout);
	int n,i,max,k,p,u,fm,pm;
	scanf("%d%d",&n,&k);
	for(i=1;i<=n;i++)
	{
		scanf("%d",&a[i]);
		s[i]=s[i-1]+a[i];
	}
	p=1;u=k;max=s[k];
	while(p<=n-k+1 && u<=n)
	{
		if(s[u]-s[p-1]>max) {max=s[u]-s[p-1];pm=p;fm=u;}
		while(u-p>=k && s[u]-s[p]>=s[u]-s[p-1]) 
			{
				p++;
				if(s[u]-s[p-1]>max) 
					{max=s[u]-s[p-1];pm=p;fm=u;}
			}
		u++;
	}
	printf("%d %d %d\n",pm,fm,max);
	return 0;
}