#include <bits/stdc++.h>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");

int v[50001], Max = -50000*25000, ipoz, jpoz, n, k, Min = 50000*25000, prim;
int main()
{
    fin >> n >> k;
    for(int i = 1; i <= n; i++)
    {
        fin >> v[i];
        v[i] += v[i-1];
    }

    for(int i = k; i <= n; i++)
    {
        if(v[i-k] < Min)
            Min = v[i-k], prim = i-k+1;
        if(v[i] - Min > Max)
            Max = v[i] - Min, ipoz = i, jpoz = prim;
    }

    fout << jpoz << ' ' << ipoz << ' ' << Max;
    return 0;
}