#include <fstream>
using namespace std;
ifstream in ("secv2.in");
ofstream out ("secv2.out");
int main()
{
    long long maxx=-1250000000,s=0,st=0,n,k,nr,i,p,u,ii=1;
    in>>n>>k;
    for (i=1;i<=n;i++)
    {
        in>>nr;
        if (s<0)
        {
            s=0;
            ii=i;
        }
        s+=nr;
        st+=nr;
        if (i-ii+1>=k && s>maxx)
        {
            maxx=s;
            p=ii;
            u=i;
        }
    }
    if (k==n)
    {
        out<<1<<' '<<n<<' '<<st;
    }
    else
    {
        out<<p<<' '<<u<<' '<<maxx;
    }
    return 0;
}