#include <bits/stdc++.h>
using namespace std;

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

#define ll long long

int main() {
    ll n, k;
    fin >> n >> k;
    ll a[50001] = {0};
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
        a[i] += a[i - 1];
    }
    ll l, r, pozmin, smin, ans = -2500000000005;
    for(int i = k; i <= n; i++) {
        if(ans < a[i] - smin) {
            ans = a[i] - smin;
            l = pozmin + 1;
            r = i;
        }
        if(a[i - k + 1] < smin) {
            smin = a[i - k + 1];
            pozmin = i - k + 1;
        }
    }
    fout << l << ' ' << r << ' ' << ans;
}