Sending alternate record to target

Scenario: 

How to send alternate record to target?

Or

Sending Odd numbered records to one target and even numbered records to another target.

Solution:
Step 1: Drag the source and connect to an expression transformation.

Step 2: Add the next value of a sequence generator to expression transformation.

Step 3: In expression transformation make two port, one is "odd" and another "even".

And Write the expression like below

Step 4: Connect a router transformation to expression.

Make two group in router.
And give condition  Like below

Step 5: Then send the two group to different targets.

The entire mapping is as below