declare 

h00019852_salary employees.salary%type;

begin
select salary,last_name into h00019852_salary
from employees
where last_name=&h00019852_gv_empname;

update employees
set salary = salary +500
where if salary < 3000 then 
dbms_output.put_line(h00019852_gv_empname||' 's salary updated'); 
else 
dbms_output.put_line(h00019852_gv_empname||' earns salary of '|| h00019852_salary); 
end if;

end;