Wap to print only vowels from given word

DECLARE SUB DIS(N$)
CLS
INPUT"ENTER ANY WORD";N$
CALL DIS(N$)
END

SUB DIS(N$)
FOR I = 1 TO LEN(N$)
B$=MID$(N$,I,1)
C$=UCASE$(B$)
IF C$="A" OR C$="E" OR C$="I" OR C$="O" OR C$="U" THEN
PRINT C$
NEXT I
END SUB