Atoms and Nuclei: JEE Main 2006 Physics question

If the binding energy per nucleon in ${}_3^7Li$ and ${}_2^4He$ nuclei are $5.60$ $MeV$ and $7.06$ $MeV$ respectively, then in the reaction $p + {}_3^7Li \to 2\,{}_2^4He$ energy of proton must be