#include<stdio.h>
int main(){
	int i,n,v[50000],j,k,a,b,c;
	long long s,max;
	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]);
	max=-25001;
	for (c=1;c<1+k;++c)
				s+=v[c];
	for (i=0;i<n-k-1;++i){
		s=s-v[i-1]+v[i+k];		
		for (j=i+k;j<n;++j){
			s+=v[j];
			if (s>max){
			   a=i;
			   b=j;
			   max=s;
			}
		}
	}
	printf("%d %d %lld",a+1,b+1,max);
	return 0;
}