#include <iostream>
#include <climits>

using namespace std;

//ifstream cin("secv2.in");
//ofstream cout("secv2.out");

int s[50005];

int main()
{
    int n, k;
    cin >> n >> k;

    for(int i = 1; i <= n; ++i)
    {
        int x;
        cin >> x;

        s[i] = s[i - 1] + x;
    }

    int maxx = INT_MIN, st = 0, dr = 0, stN = 0,act = 0, minn = INT_MAX;
    for(int i = k; i <= n; ++i){
        if(minn > s[i - k]){
            minn = s[i - k];
            st = i - k + 1;
        }
        act = s[i] - minn;
        if(act > maxx){
            dr = i;
            stN = st;
            maxx = act;
        }
    }

    cout << stN << ' ' << dr << ' ' << maxx << '\n';
    return 0;
}