Homomorphisms and Isomorphisms · Medium problem

The isomorphism $\mathbb Z_{15} \cong \mathbb Z_3 \times \mathbb Z_5$ sends $k \mapsto (k \bmod 3, k \bmod 5)$. Which element of $\mathbb Z_{15}$ (in $\{0,\dots,14\}$) maps to $(2,4)$?