DECLARE
	Num	INTEGER;
	Rev_num  INTEGER:=0;
BEGIN
	Num:=&Num;
	WHILE(Num>0) 
	LOOP
		Rev_num:=Rev_num*10 + MOD(Num,10);
		Num:=TRUNC(Num/10);
	END LOOP;
	DBMS_OUTPUT.PUT_LINE('THE REVERSE IS: ' ||Rev_num);
END;