#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("secv2.in");
ofstream fout("secv2.out");
int sum[50001],v[50001];

int main()
{
    int smax=-2000000000,sc=0;
    int k,i,pmax,n,pc=1,umax,vmax;

    fin>>n>>k;

    for( i=1; i<=n; i++)
    {
        fin>>v[i];
        sum[i]=sum[i-1]+v[i];
        if(i>=k && sum[i]-sum[i-k]>sc+v[i])
        {
            sc=sum[i]-sum[i-k];
            pc=i-k+1;
        }
        else
        {
            sc+=v[i];
        }
        if(i>=k && sc > smax)
        {
            smax=sc;
            pmax=pc;
            umax=i;

        }
    }
    fout<<pmax<<" "<<umax<<" "<<smax;
    return 0;
}