The atomic mass of ${ }_6 \mathrm{C}^{12}$ is $12.000000 \mathrm{~u}$ and that of ${ }_6 \mathrm{C}^{13}$ is $13.003354 \mathrm{~u}$. The required energy to remove a neutron from ${ }_6 \mathrm{C}^{13}$, if mass of neutron is $1.008665 \mathrm{~u}$, will be :