#include <fstream>

using namespace std;

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

const int NMAX = 5e4;
int v[NMAX + 1];
long long sum[NMAX + 1];

int main(){
    int n, k;
    fin >> n >> k;
    for (int i = 1; i <= n; i++){
        fin >> v[i];
        sum[i] = sum[i - 1] + v[i];
    }
    long long rez = -1, summin = 0;
    int dr = k, st = 1, j = 0;
    for (int i = k; i <= n; i++){
        long long s = sum[i] - summin;
        if (s > rez){
            st = j + 1;
            dr = i;
            rez = s;
        }
        if (sum[i - k + 1] < summin){
            summin = sum[i - k + 1];
            j = i - k + 1;
        }
    }
    fout << st << ' ' << dr << ' ' << rez;
    return 0;
}