#include <fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
long long n,v[50001],k,sum,sumultime,maxim=-999999999999,inceput=1,final,poz=1;
int main()
{
    fin>>n>>k;
    for(int i=1;i<=n;i++){
        fin>>v[i];
        sum+=v[i];
        sumultime+=v[i];
        if(i-k>=1){
            sumultime-=v[i-k];
        }
        if(sum<sumultime){
            sum=sumultime;
            poz=i-k+1;
        }
        if(sum>maxim && i-k>=0){
            maxim=sum;
            final=i;
            inceput=poz;
        }
    }
    fout<<inceput<<" "<<final<<" "<<maxim;
    return 0;
}