def METHOD_NAME(num_atoms, forces_filenames, verbose=True):
    """Parse the forces from output files in ``forces_filenames``."""
    is_parsed = True
    force_sets = []
    for i, filename in enumerate(forces_filenames):
        if verbose:
            sys.stdout.write("%d. " % (i + 1))
        atoms = read_aims_output(filename)
        forces = atoms.forces
        if check_forces(forces, num_atoms, filename, verbose=verbose):
            drift_force = get_drift_forces(forces, filename=filename, verbose=verbose)
            force_sets.append(np.array(forces) - drift_force)
        else:
            is_parsed = False
    if is_parsed:
        return force_sets
    else:
        return []