Initial data commit

Task/Stack/REXX/stack-1.rexx

@@ -0,0 +1,7 @@
+y=123                        /*define a REXX variable, value is 123  */
+push y                       /*pushes   123   onto the stack.        */
+pull g                       /*pops last value stacked & removes it. */
+q=empty()                    /*invokes the  EMPTY  subroutine (below)*/
+exit                         /*stick a fork in it, we're done.       */
+
+empty: return queued()       /*subroutine returns # of stacked items.*/