For natural numbers $x$ and $y$
$$\begin{array} { r | r | r }
x & \frac { 10 } { m } \\
{ } ^ { - } & = ^ { y } \frac { 15 } { 3 }
\end{array}$$
Given this, what is the remainder when the product $x \cdot y$ is divided by 5?\\
A) 0\\
B) 1\\
C) 2\\
D) 3\\
E) 4