#include <iostream>
#include <fstream>
using namespace std;

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

int main(){
    int n, sum = 0, best_sum = -1e9, index, beg, fina, x, k;
    fin >> n >> k;
    for (int i = 1; i <= n; ++i) {
        fin >> x;
        if (sum < 0) {
            index = i;
            sum = 0;
        }
        sum += x;
        if (sum > best_sum && i - index >= k) {
            beg = index;
            fina = i;
            best_sum = sum;
        }
    }
    fout << beg << " " << fina << " " << best_sum;
    return 0;
}