#include <iostream>
#include<fstream>
using namespace std;
int i,j,s[50001],mx=-2000000000,k,x,n,m,im,jm,S;
int main()
{
    ifstream f("secv2.in");f>>n>>k;
    ++n;
    for(i=1;i<n;++i){f>>x;s[i]=s[i-1]+x;}
    f.close();m=n-k+1;
    for(i=1;i<m;++i)
    {
        for(j=i+k-1;j<n;++j)
        {
            S=s[j]-s[i-1];
            if(mx<S)
            {
                mx=S;
                im=i;
                jm=j;
            }
        }
    }
    ofstream g("secv2.out");
    g<<im<<" "<<jm<<" "<<mx;
    g.close();
    return 0;
}