DECLARE
	A NUMBER;
	B NUMBER;
BEGIN
	FOR I IN 0..999 LOOP
		A:=I; 
		B:=0;
		LOOP
		EXIT WHEN A<=0;
			B:=B+POWER(MOD(A,10),3);
			A:=TRUNC(A/10);
		END LOOP;
		IF B=I THEN
			DBMS_OUTPUT.PUT_LINE('Armstrong Number: ' || I);
		END IF;
	END LOOP;
END;