#include <fstream>

using namespace std;
int v[50001];
int main()
{  int sum=0,st,dr,Min,x,k,n,i,p;
    ifstream f("secv2.in");
    ofstream g("secv2.out");
    f>>n>>k;
    for (i=1;i<=n;++i) {
        f>>x;
        v[i]=v[i-1]+x;
        if (i>=k) {
            if (i==k) {
                Min=v[i-k];
                p=0;
            }
        else if (Min>v[i-k]) {
            Min=v[i-k];
            p=i-k;
         }
            if (v[i]-Min>sum) {
                sum=v[i]-Min;
                st=p+1;
                dr=i;
            }
        }
    }
     g<<st<<" "<<dr<<" "<<sum<<'\n';
    return 0;
}