Enter a species  (e.g. Al, Fe): Ca
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_KimJeonLee_2015_MgCa__MO_611309973581_000
Enter hexagonal lattice constants 'a' and 'c' (m): 3.193958033791075e-10, 5.252638944149501e-10