#include <fstream>
#define NMAX 500001
#define MIN -2000000000
#include <iostream>

using namespace std;

ifstream in("secv2.in");
ofstream out("secv2.out");
int n;
int p[NMAX];
int a[NMAX];
int l;

int main()
{
    in>>n>>l;
    for(int i=1;i<=n;i++)
        in>>a[i];
    in.close();
    long long int maxx = MIN;
    int pozi = 1,pozf = 1;
    int pi = 1,pf =1;
    p[1] = a[1];
    int i;
    if(l==n)
    {
        maxx = 0;
        for(int i=1;i<=n;i++)
        maxx+=a[i];
        out<<1<<" "<<n<<" "<<maxx<<'\n';
    }
    else
    {
    for(i=2;i<=n;i++)
    {
        if(a[i]>p[i-1]+a[i])
        {
             p[i] = a[i];
           pozi = i;
           pozf = i;
        }
        else
        {
        p[i] = p[i-1]+a[i];
           pozf=i;
        }
          if((maxx<p[i]) && (pozf-pozi +1 >= l))
        {
            maxx = p[i];
            pi = pozi;
            pf = pozf;
        }
    }
    out<<pi<<" "<<pf<<" "<<maxx<<'\n';
    }
    out.close();
    return 0;
}