#include <iostream>
#include <fstream>
using namespace std;

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

    int s=0, rst=1, rdr=1, st=1, raspmax=0, i, n, k, cst, ci;
    long long v[50000];
    fin >> n >> k;

    for(i = 1; i <= n; i++)
    {
        fin >> v[i];
        if(i == 1)
            raspmax = v[i];

        s+=v[i];
        if(i - st + 1 < k)
        {
            st = cst;
            i = ci;
        }
        if(s > raspmax)
        {
            raspmax = s;
            rst = st;
            rdr = i;
            ci = i;
        }
        if(s < 0)
        {
            s = 0;
            st = i+1;
            cst = st;
        }
    }
    fout << rst << " " << rdr << " " << raspmax;
    return 0;
}