#include <bits/stdc++.h>

using namespace std;

ifstream f("secv2.in");
ofstream g("secv2.out");

struct elem
{
    int s,d;
}poz;

int n, m, v[50001], k;
int st, dr;
int sum, sumMax = 50000 * (-25000), sumMin = 50000 * 25000;


int main()
{

    f>>n>>k;
    for(int i=1; i<=n; i++)
        f>>v[i], v[i]+=v[i-1];

    for(int i=k; i<=n; i++)
    {
        if(v[i-k] < sumMin)
        {
            sumMin = v[i-k];
            st = i - k + 1;
        }
        if(v[i] - sumMin > sumMax)
        {
            sumMax = v[i] - sumMin;
            dr = i;
        }
    }

    g<<st<<" "<<dr<<" "<<sumMax;

    return 0;

}