#include<stdio.h>
int n,v[50000];
int main(){
	int k,i,s=0,max,max2,p1,p2;
	freopen("secv2.in","r",stdin);
	freopen("secv2.out","w",stdout);
	scanf("%d%d",&n,&k);
	for(i=0;i<n;++i)
		scanf("%d",&v[i]);
	for(i=0;i<k;++i)
		s+=v[i];
	max=s;
	p1=1;
	p2=k;
	for(i=k;i<n;++i){
		s=s+v[i]-v[i-k];
		max2=s;
		for(int j=i+1;j<n;++j){
			max2+=v[j];
			if(max<max2){
				max=max2;
				p1=i-1;
				p2=j+1;
			}
		}
	}
	printf("%d %d %d\n",p1,p2,max);
	fclose(stdin);
	fclose(stdout);
	return 0;
}