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