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

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

int main() {
    fin.tie(0);
    ios::sync_with_stdio(0);
    int n, k;
    fin >> n >> k;
    vector<int> v(n + 1, 0);
    int maxSum;
    for (int i = 1; i <= n; i++) {
        fin >> v[i];
        v[i] += v[i - 1];
        if (i == k)
            maxSum = v[i];
    }

    int startPos = 1, endPos = k;
    for (int i = k; i <= n; i++)
        for (int j = 0; j <= i - k; j++)
            if (v[i] - v[j] > maxSum) {
                maxSum = v[i] - v[j];
                startPos = j + 1;
                endPos = i;
            }

    fout << startPos << " " << endPos << " " << maxSum;

    return 0;
}