#include <fstream>
#include<algorithm>
#include<cmath>
using namespace std;
ifstream cin("secv2.in");
ofstream cout("secv2.out");
long long v[1000005];
int main(){
   long long sum=0, n, subm=0,x,maxi=-9999999999999,k,inc,poz1,poz2;
   cin>>n>>k;
   for(int i=1;i<=n;i++){
        cin>>v[i];
        subm+=v[i];
        if(i-k>=1){
              subm-=v[i-k];
        }
        sum+=v[i];
        if(sum<subm){
             sum=subm;
             poz1=i-k+1;
        }
        if(sum>maxi && i>=k){
             maxi=sum;
             poz2=i;
             inc=poz1;
        }
   }
   cout<<inc<<" "<<poz2<<" "<<maxi;
}