#include <fstream>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");

int n,v[10001],k,sum,sumultime,maxim,inceput,final,poz;
int main()
{
    fin>>n>>k;
    for(int i=1;i<=n;i++){
        fin>>v[i];
        sum+=v[i];
        sumultime=sumultime+v[i];
        if(i-k+1>1){
            sumultime-=v[i-k+1];
        }
        if(sum<sumultime){
            sum=sumultime;
            poz=i-1;
        }
        if(sum>maxim){
            maxim=sum;
            final=i;
            inceput=poz;
        }
    }
    fout<<inceput<<" "<<final<<" "<<maxim;

    return 0;
}