Enter a species  (e.g. Al, Fe): C
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_Lee_2006_FeC__MO_856956178669_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.753680001954604e-10, 2.451692786381586e-10