#include <iostream>
#include <fstream>

using namespace std;

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

void citire(int &N, int &K, int sir[]){
  fin >> N >> K;
  for(int i = 1; i <= N; i++){
    fin >> sir[i];
  }
}

void suma_max(int sir[], int N, int K){
  int suma_maxima = 0, suma, poz_min = 0, poz_max = 0;
  for(int i = 1; i <= N - K + 1; i++){
    suma = 0;
    for(int j = i; j <= N; j++){
      suma += sir[j];
      if((j - i + 1) < K){
        continue;
      }
      if(suma_maxima == 0){
        suma_maxima = suma;
        poz_min = i;
        poz_max = j;
      }
      else if(suma_maxima < suma){
        suma_maxima = suma;
        poz_min = i;
        poz_max = j;
      }
    }
  }
  fout << poz_min << " " << poz_max << " " << suma_maxima << endl;
}

int main(){
  int N, K;
  int sir[50000];

  citire(N, K, sir);
  suma_max(sir, N, K);


  return 0;
}