#include <fstream>

using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");


int main()
{
    int n, i, x, s, smax, p = 1, st, dr, k;
    fin >> n >> k;
    fin >> x;
    s = smax = x;
    if(n == k)
    {
        int s = 0;
        for(i = 1;i <= n;i++)
        {
            fin >> x;
            s += x;
        }
        fout << "1" << " " << n << " " << s;
        return 0;
    }
    if(s < 0)
    {
        s = 0;
        p = 2;
    }
    for(i = 2;i <= n;i++)
    {
        fin >> x;
        s += x;
        if(s > smax && i - p + 1 >= k)
        {
            smax = s;
            st = p;
            dr = i;
        }
        if(s < 0)
        {
            s = 0;
            p = i + 1;
        }
    }
    fout << st << " " << dr << " " << smax;
    return 0;
}