#include<stdio.h>
#include<stdlib.h>
int nr[50001];
int main(){
	FILE*in=fopen("secv.in","r");
	FILE*out=fopen("secv.out","w");
	int n,k,i,p1,p2,max,s=0,pf;
	fscanf(in,"%d %d",&n,&k);
	for(i=0;i<n;i++)
		fscanf(in,"%d",&nr[i]);
	
	for(i=0;i<k;i++)
		s=s+nr[i];
	if(n==k){
		fprintf(out,"1 %d %d",k,s);
		return 0;
	}
	
	p1=0;
	p2=0;
	s=0;
	max=-30000;
	for(i=0;i<n;i++){
		if(s<0){
			s=0;
			p1=i+1;
			p2=i;
		}
		s=s+nr[i];
		p2++;
		if(s>max){
			max=s;
			pf=p2;
		}
	}
	
	fprintf(out,"%d %d %d\n",p1,pf,max);
	
	
	
	return 0;
}