#include<iostream.h>
#include<fstream.h>

fstream in("secv2.in",ios::in),out("secv2.out",ios::out);

long n,k,i,j,s,start,stop,max,cur;
int *v;

main()
{in>>n>>k;  v=new int[n+1];

for(i=1;i<=n;i++) in>>v[i];

for(i=1;i<=k;i++) max+=v[i];
start=1; stop=k;

s=max;

for(i=2;i<=n-k;i++)
{
 s=s-v[i-1]+v[i+k-1]; cur=s; if(s>max) {max=s; start=i; stop=i+k-1;}
 for(j=i+k;j<=n;j++) {cur+=v[j]; if(cur>max) {max=cur; stop=j;} }
}


delete v;

out<<start<<" "<<stop<<" "<<max;}