* {{Parameter|numericalExpression}} represents the ''line'' or ''label'' that the program should branch to: 1 branches to the first line or label in the list, 2 branches to the second, etc.
* The procedure must be used after the number value is determined or in a loop to monitor current user events.
* [[RETURN]] returns to the next code statement after the [[ON...GOSUB]] statement. [[END]] or [[SYSTEM]] can be used to end program.
:''Explanation:'' Since ''a'' equals to 2 it goes to the second item in the list (''hereweare'') and branches the program to there. Try changing 'a' to 1 or 3.