#include <bits/stdc++.h>

using namespace std;

ifstream fin("secv2.in");
ofstream fout("secv2.out");
int n, k, i, s, ss = INT_MIN, r = INT_MIN, a[50002], p, x, y;

int main() {
    ios_base::sync_with_stdio(false);
    fin.tie(NULL);
    fin >> n >> k;
    for(i = 1; i <= n; i++) fin >> a[i];
    for(i = 1; i <= n; i++) {
        s += a[i];
        if(i > k) s -= a[i - k];
        if(i >= k) {
            if(s > ss + a[i]) {
                ss = s;
                p = i - k + 1;
            }
            else ss += a[i];
            if(ss > r) {
                r = ss;
                x = p;
                y = i;
            }
        }
    }
    fout << x << " " << y << " " << r;

    return 0;
}