#include <fstream>

using namespace std;

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

int main()
{
    int i,j,k,s[50005],x,n,imax,jmax,max,min,imin;

    f>>n>>k;
    f>>s[1];
    max=s[1]; imax=1; jmax=1;
    min=s[1]; imin=1;
    for (i=2;i<=n;i++)
    {
        f>>x;
        s[i]=s[i-1]+x;
    }
    for (i=k;i<=n;i++)
    {
        if (s[i]>max)
        {
            max=s[i];
            imax=1; jmax=i;
        }
        if (s[i-k]<min)
        {
            min=s[i-k];
            imin=i-k;
        }
        if (s[i]-min>max)
        {
            max=s[i]-min;
            imax=imin+1; jmax=i;
        }
    }

    g<<imax<<" "<<jmax<<" "<<max<<"\n";
    return 0;
}