# If $f(0),f(1)=1,f(2)=2$ and $f(x)=f(x-2)+f(x-3)$ for $x=3,4,5,........$ then $f(9)=$

$\begin {array} {1 1} (1)\;12 & \quad (2)\;13 \\ (3)\;14 & \quad (4)\;10 \end {array}$

(4) 10