#include <iostream>
#include<fstream>
using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");
int n,k,pmax,mx=-10000000,v[50000],s[50000],i;
int Deque[50000],Front,Back;
int main()
{
    f>>n>>k;
    for(i=1; i<=n; i++)
    {
        f>>v[i];
        s[i]=s[i-1]+v[i];
    }
    Front=1;
    Back=0;
    for(i=1; i<=n; i++)
    {
        if(Deque[Front]>0)
        {
            if(Deque[Back]-Deque[Front]+1>=k)
                if(s[Deque[Back]]-s[Deque[Front]-1] > mx)
                {
                    mx=s[Deque[Back]]-s[Deque[Front]-1];
                    pmax=Deque[Back];
                }
            while(s[Deque[Back]]-s[Deque[Front]-1]<0 && Back-Front+1>=k  && Front<=Back)
                Front++;
            if(Deque[Back]-Deque[Front]+1>=k)
                if(s[Deque[Back]]-s[Deque[Front]-1] > mx)
                {
                    mx=s[Deque[Back]]-s[Deque[Front]-1];
                    pmax=Deque[Back];
                }
        }
        Deque[++Back]=i;
    }
    int mx1=mx;
    for(i=pmax; mx && i>0; i--)
        mx-=v[i];
    g<<i+1<<' '<<pmax<<' '<<mx1;
}