#include<fstream>
using namespace std;
 int n,k,i,max1,dr,st;
 int a[50005],s[50005],mn[50005];
 ifstream f("secv2.in");
 ofstream g("secv2.out");
 int main()
 {
  f>>n>>k;
  for(i=1;i<=n;i++)
        f>>a[i];
  for(i=1;i<=n;i++)
    s[i]=s[i-1]+a[i];
    for(i=1;i<=n;i++)
        if(s[i]<s[mn[i-1]])
        mn[i]=i;
    else
        mn[i]=mn[i-1];
 max1=-999999;
    for(i=k;i<=n;i++)
        if(s[i]-s[mn[i-k]]>max1)
    {
     max1=s[i]-s[mn[i-k]];
     dr=i;
     st=mn[i-k]+1;
    }
    g<<st<<" "<<dr<<" "<<max1;
    return 0;

 }