#include <fstream>

using namespace std;

ifstream fin("secv2.in");
ofstream fout("secv2.out");

const int N=50001;
int v[N],n,k,s,smax=-25000*50000,st,dr,a[N],ans1,ans2;

int main()
{
    fin>>n>>k;
    for(int i=1;i<=n;i++)
    {
        fin>>v[i];
        a[i]=v[i]+a[i-1];
    }
    st=1;
    dr=k;
    while(dr<=n)
    {
        s=a[dr]-a[st-1];
        if(s<0)
        {
            if(s>smax)
            {
                ans1=st;
                ans2=dr;
                smax=s;
            }
            st++;
            dr++;
        }
        else
        {
            if(s>smax)
            {
                ans1=st;
                ans2=dr;
                smax=s;
            }
            dr++;
        }
    }
    fout<<ans1<<" "<<ans2<<" "<<smax;
    return 0;
}