#include <bits/stdc++.h>

using namespace std;

ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n, k, i, p1, p2, scur;
int a[50002], s, p, y, r;

int main()  {
    fin >> n >> k;
    for(i = 1; i <= k; i++) {
        fin >> a[i];
        scur += a[i];
    }

    r = s = scur;
    p1 = 1;
    p = 1;
    p2 = k;
    for(i = k + 1; i <= n; i++) {
        fin >> a[i];
        scur += a[i] - a[i - k];

        if(scur <= s + a[i]) s += a[i];
        else {
            s = scur;
            p = i - k + 1;
        }

        if(s > r) {
            r = s;
            p1 = p;
            p2 = i;
        }
    }
    fout << p1 << " " << p2 << " " << r;

    return 0;
}