#include <bits/stdc++.h>

using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int s[50001];
int main()
{
    long n,k,c=0,ma=-999,i,a[50001],co,pos1,pos2,pos11;
    f>>n>>k;
    for(i=1;i<=n;i++)
     f>>a[i];
    for(co=k;co<=n;co++)
    {
        for(i=1;i<=n;i++)
            {
              c++;
                if(c<=co)
                      {
                          if(c==1) pos1=i;
                          if(i==1) s[i]=a[i];
                          else s[i]=s[i-1]+a[i];
                          s[i-1]=0;
                      }
                else
                      {
                          c=0;
                          if(s[i-1]>ma)
                              {
                                ma=s[i-1];
                                pos2=i-1;
                                pos11=pos1;
                              }
                          i=i-co+1;
                      }
            }

    }
     cout<<pos11<<" "<<pos2<<" "<<ma;
}