#include <fstream>

using namespace std;
long int n,k,v[50005],i,j,st,dr,sum,maxim,l,r;
int main()
{
    ifstream f("secv2.in");
    ofstream g("secv2.out");
    f>>n>>k;
    for(i=1;i<=n;i++)
    {   f>>v[i];
        if(sum+v[i]<=0)
        {
            sum=0;st=i+1;dr=i+1;
        }
        else sum+=v[i],dr=i;
        if(sum>maxim && dr-st+1>=k)
        {
            l=st;
            r=dr;
            maxim=sum;
        }
    }
    g<<l<<" "<<r<<" "<<maxim;
    f.close();g.close();
}