def check_magnetic_atoms(in_path: str) -> list:
    """
    Args:
        in_path (str) - path for the prepared to siman structure reader POSCAR type file.

    Returns:
        magnetic_atoms (list)  -    list of magnetic atoms in prepared
                                    structures with "fake" atoms
        e.g
        >>> magnetic_atoms
            ['Po', 'Eu']
    """
    with open(in_path, 'r') as in_f:
        in_data = in_f.readlines()
        magnetic_atoms = in_data[5].split()[: 2]
    return magnetic_atoms