#include <fstream>
using namespace std;
ifstream in("secv2.in");
ofstream out("secv2.out");
int v[500001];
int s[500001];
int main()
{
    int n, k, smax, sum, ic, jc, j, i;
    in>>n;
    in>>k;
    s[0]=0;
    for(j=1; j<=n;j++)
    {
        in>>v[j];
        s[j]=s[j-1]+v[j];
    }
    i=1;
    smax=s[k];
    ic=1;
    jc=k;
    for(j=k+1; j<=n; j++)
    {
        if(s[i]>s[j-k-1])
        i=j-k-1;
        sum=s[j]-s[i];
        if(sum>smax)
        {
            smax=sum;
            ic=i+1;
            jc=j;
        }
    }
    out<<ic<<" "<<jc<<" "<<smax;
    return 0;
}