#include <fstream>
#define nmax 50005

using namespace std;

ifstream in("secv2.in");
ofstream out("secv2.out");

long long v[nmax];

long long n, beg, en, k, smin, pozmin;

long long s[nmax], rasp=-2500000000005;

int main()
{
    in>>n>>k;
    for(int i=1; i<=n; i++)
    {
        in>>v[i];
        s[i]=s[i-1]+v[i];
    }
    for(int i=k; i<=n; i++)
    {
        if(rasp<s[i]-smin)
        {
            rasp = s[i]-smin;
            en = i;
            beg = pozmin +1;
        }
        if(s[i-k+1]<smin)
        {
            smin = s[i-k+1];
            pozmin = i-k+1;
        }
    }
    out<<beg<<" "<<en<<" "<<rasp;
    return 0;
}