#include <fstream>
using namespace std;
const int nmax=50005;
int a[nmax],s[nmax],mn[nmax];
ifstream f("scv2.in");
ofstream g("scv2.out");
int main()
{
 int n,k;
 f>>n>>k;
 for(int i=1;i<=n;i++)
    f>>a[i];
 for(int i=1;i<=n;i++)
    s[i]=s[i-1]+a[i];
 for(int i=1;i<=n;i++)
    if(s[i]<s[mn[i-1]])
    mn[i]=i;
 else
    mn[i]=mn[i-1];
 int max1=-999999,dr,st;
 for(int 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];
    }
    g<<dr<<" "<<st<<" "<<max1;
    return 0;
}