set serveroutput on
declare 
	v_my_name VARCHAR(15);
begin
	v_my_name := 'ELENA';
	
	dbms_output.put_line('My name is '||v_my_name);
	
	declare
		v_your_name varchar2(15):= '&sv_your_name';
		
	begin
	
	--v_your_name varchar2(15):= '&sv_your_name';
	
	DBMS_OUTPUT.PUT_LINE('Your name is '||v_your_name);
		exception
			when value_error then
				dbms_output.put_line('Error in the inner block');
				dbms_output.put_line('This name is too long');
	end;
	
	exception
		when value_error then
			dbms_output.put_line('Error in the outer block');
			dbms_output.put_line('This name is too long');
end;
/