#include <bits/stdc++.h>
using namespace std;
ifstream fin ("secv2.in"); ofstream fout ("secv2.out");
int a[500001],n,k;

int main()
{
    fin >> n >> k;
    for (int i = 1; i <= n; i++)
    {
        fin >> a[i];
        a[i] += a[i - 1];
    }
    int sum = INT_MIN,st,dr,l = 1, x = 0;
    for (int i = k; i<= n; i++)
    {
        int s = a[i] - x;
        if (a[i-k] < x)
        {
            x = a[i-k];
            l = i - k + 1;
        }
        if (s > sum)
        {
            sum = s;
            st = l;
            dr = i;
        }
    }
    fout << st << ' ' << dr << ' ' << sum;
    return 0;
}