#include <fstream>
#define NM 50001
#define ll long long
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
ll n,k,i,p,pi,pj,maxs,il,s;
ll a[NM];
int main()
{
    f>>n>>k;
    maxs=0-(1<<30);
    for(i=1;i<=n;i++) { f>>a[i]; }
    s=a[1]; il=1;
    for(i=2;i<=n;i++){
        if(s+a[i]<a[i]) { s=a[i]; il=i; }
          else s+=a[i];
        if(i-il+1>=k&&maxs<s) { maxs=s; pi=il; pj=i; }
    }
    g<<pi<<' '<<pj<<' '<<maxs;
    return 0;
}