#include<fstream>
using namespace std;
int v[5000],s[5000],n,k,in,sf,st,sum,max1;
ifstream f("secv2.in");
ofstream g("secv2.out");
int main()
{
    f>>n>>k;
    for(int i=1;i<=n;i++)
    {
        f>>v[i];
        s[i]=v[i]+s[i-1];
    }
    max1=v[1];
    max1=sum=s[k];
    st=in=1;
    sf=k;
    for(int i=k+1;i<=n;i++)
    {
        if(s[i]-s[i-k]>=v[i]+sum)
        {
            sum=s[i]-s[i-k];
            st=i-k+1;
        }
        else
            sum+=v[i];
        if(sum>max1)
        {
            max1=sum;
            sf = i;
            in = st;
        }
    }
    g<<in<<" "<<sf<<" "<<max1;
}