#include <fstream>
using namespace std;

ifstream f("secv2.in");
ofstream g("secv2.out");

int n,k,v[50001];
int main()
{
    f>>n>>k;
    int s=0,beg,end,ind,smax=-1250000000,i,x,t=0;
    for(i=1;i<=n;i++){
        f>>v[i];
        if(i<=k)
            t=t+v[i];
    }
    for(i=1;i<=n;i++){
        x=v[i];
        if(s<t){
            s=0;
            ind=i;
        }
        s+=x;
        if(s>smax && i-ind+1>=k){
            smax=s;
            beg=ind;
            end=i;
        }
    }
    g<<beg<<" "<<end<<" "<<smax<<"\n";
    return 0;
}