#include <fstream>
#define nmax 50005

using namespace std;

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

long long n, k, pozmin, smin = 25005, suma=-2452353223452, beg, en;

long long v[nmax], s[nmax];

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(suma < s[i] - smin)
        {
            suma = 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<<" "<<suma;
    return 0;
}