WRITE A PLSQL PROGRAM TO REVERSE A GIVEN NUMBER

DECLARE
N NUMBER:=&N;
S NUMBER:=0;
R NUMBER;
BEGIN
WHILE(N!=0) LOOP
R:=MOD(N,10);
S:=(S*10)+R;
N:=FLOOR(N/10);
END LOOP;
DBMS_OUTPUT.PUT_LINE('THE REVERSED NUMBER OF GIVEN NUMBER IS'||'  '||S);
END;