#include <bits/stdc++.h>
#define nmax 50003
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n, K;
int i;
int S[nmax], mi[nmax], poz[nmax];
int sol = INT_MIN;
int st, dr;
int main()
{
    fin >> n >> K;
    for(i = 1; i <= n; i++)
    {
        fin >> S[i];
        S[i] += S[i - 1];
        if(S[i] < mi[i - 1])
        {
            poz[i] = i;
            mi[i] = S[i];
        }
        else mi[i] = mi[i - 1], poz[i] = poz[i - 1];
        if(i >= K)
        {
            if(sol < S[i] - mi[i - K])
            {
                sol = S[i] - mi[i - K];
                st = poz[i - K];
                dr = i;
            }
        }
    }
    fout << st + 1 << " " << dr << " " << sol << "\n";
    return 0;
}