#include <fstream>

using namespace std;

ifstream cin("secv2.in");
ofstream cout("secv2.out");

int main()
{
    int n,k,sum=0,a;
    cin>>n>>k;
    int vec[n+1];
    vec[0]=0;
    for(int i=1; i<n; i++)
    {
        cin>>a;
        sum+=a;
        vec[i]=sum;
    }
    int first,last,rf,rl,maxx=-2000000000;
    for(first=0; first+k<=n; first++)
    {
        for(last=first+k-1; last<=n; last++)
        {
            sum=vec[last]-vec[first];
            if(sum>=maxx)
            {
                maxx=sum;
                rf=first;
                rl=last;
            }
        }
    }
    cout<<rf+1<<" "<<rl+1<<" "<<maxx;
    return 0;
}