#include <fstream>

using namespace std;

ifstream cin("secv2.in");
ofstream cout("secv2.out");

int n,k,smax,x,sc,s1,s2,a, nr = 0;
int sum[50001];

int main()
{
    cin>>n>>k;
    smax=1<<31;
    sc=0;
    for(int i=1;i<=n;i++){
        cin>>x;
        sum[i]=sum[i-1]+x;
        if(i>=k && sum[i]-sum[i-k]>sc+x){
            sc=sum[i]-sum[i-k];
            a=i-k+1;
        }else{
            sc+=x;
        }
        if(sc>smax){
            smax=sc;
            s1=a;
            s2=i;
        }
    }
    cout<<s1<<" "<<s2<<" "<<smax;
    return 0;
}