> LISP Program issues please help?

LISP Program issues please help?

Posted at: 2014-12-18 
1) Begin the program

2) Declare 4 integer variables

3) Ask the user to enter the first number

4) Read the value in

5) Ask the user to enter the second number

6) Read the value in

7) Ask the user to enter the third number

8) Read the value in

9) The fourth variable is the product of the first three variables

10) output the fourth variable.

11) End the program

I'm trying to practice but

I'm really confused