#include<fstream>
#define maxn 50005

using namespace std;

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

int a[maxn],i,j,n,m,M,k,s[maxn],l,r,mp;

int main()
{
    f>>n>>k;
    
    for(i=1;i<=n;++i)
         f>>a[i],s[i]=s[i-1]+a[i];
    m=0;
    mp=0;
    M=0x3f3f3f3f;
    M=-M;
    for(i=k;i<=n;++i) 
    {
         if(s[i]-m>M) M=s[i]-m,l=mp+1,r=i;
         if(s[i-k+1]<m) m=s[i-k+1],mp=i-k+1;
    }    
    
    g<<l<<" "<<r<<" "<<M<<"\n";
    f.close();
    g.close();
    return 0;
}