**** exec ****
exec-string-s1
exec-integer-10
exec-double-1.25
exec-string-s2
exec-integer-20
exec-double-2.25
**** call ****
call-string-s1
call-integer-10
call-double-1.25
call-string-s2
call-integer-20
call-double-2.25
**** both=call ****
call-string-s1
call-integer-10
call-double-1.25
call-string-s2
call-integer-20
call-double-2.25