The vibrational energy levels, $v''=0$ and $v'=1$ of a diatomic molecule are separated by $2143\,\mathrm{cm^{-1}}$. Its anharmonicity $\omega_e x_e$ is $14\,\mathrm{cm^{-1}}$. The values of $\omega_e$ (in $\mathrm{cm^{-1}}$) and first overtone ($\mathrm{cm^{-1}}$) of this molecule are respectively.