New teacher

Update the details of the new CS teacher.

Input

firstname,lastname,age,hair,eyes
rose,jetson,10,brown,brown
rob,thomson,9,ginger,brown
peter,smith,10,brown,blue
mr,walker,50,none,brown

Output

firstname,lastname,age,hair,eyes
rose,jetson,10,brown,brown
rob,thomson,9,ginger,brown
peter,smith,10,brown,blue
mr,kershaw,53,brown,brown