Enter a species  (e.g. Al, Fe): Cu
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_LeeWirthShim_2005_FeCu__MO_063626065437_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.551683974664336e-10, 4.187599117242407e-10