Diffrence between two date, Pl-sql program result in Years - Month-format

Helo frnds

I am uploading this code.
work in pl-sql
DECLARE
DATE1 DATE;
DATE2 DATE;
V_NO NUMBER;
V_YEAR NUMBER;
V_MONTH NUMBER;
BEGIN
DATE1 := TO_DATE('&DATE1');
DATE2 := TO_DATE('&DATE2');
V_NO := DATE1 - DATE2;
IF (v_NO<0) THEN v_NO := V_NO * (-1);
END IF;
V_YEAR := TRUNC(V_NO/365);
V_NO := MOD(V_NO , 365);
V_MONTH := TRUNC(v_NO/30);
V_NO := MOD(V_NO,30);
DBMS_OUTPUT.PUT_LINE(V_YEAR ||' YEARS ' || V_MONTH ||' MONTH ' || V_NO || ' DAYS');
END;
/