How to get to the Hostal Atocha Almudena Martín by train?

How to get from the local train stations, medium distance, long distance and AVE long distance, to Atocha 43, where is located the Hostal Atocha Almudena Martín:

From Atocha Station

From Chamartín Station

How to get to Hostal Atocha Almudena Martín