#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ull unsigned long long
#define vi vector<int>
#define test int t; cin>>t; while(t--)
#define yn cout<<"YES\n"
#define nn cout<<"NO\n"
#define nl cout<<"\n"
#define fisier 1
const double PI=3.14159265359;
const int MOD = 1e9 + 7;
const int NMAX = 1e5;

int32_t main(){
	#ifdef fisier
        ifstream cin("secv2.in");
        ofstream cout("secv2.out");
    #endif

	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);

	int n, k;
	cin >> n >> k;
	vi s(n+1);
	s[0] = 0;
	for (int i = 1; i <= n; ++i){
		cin >> s[i];
		s[i] += s[i-1];
	}
	int st = 0, dr = 0, smax = -25000, smin = 25000;
	for (int i = k; i <= n; ++i){
		if (s[i-k] < smin)
			smin = s[i-k], st = i - k + 1;
		if (s[i] - s[st-1] > smax)
			smax = s[i] - s[st-1], dr = i;
	}
	cout << st << " " << dr << " " << smax;
}