Enter a species  (e.g. Al, Fe): Cu
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_KangSaLee_2009_ZrAgCu__MO_813575892799_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.551683959741861e-10, 4.187599175342298e-10