Написать массив в обратном порядке- QBasic(Бейсик)

INPUT "vvedite kol-vo chisel ", n
RANDOMIZE TIMER
DIM a(n)
FOR i = 1 TO n
    a(i) = INT(RND * 20) - 10
NEXT
PRINT "massiv"
FOR i = 1 TO n
    PRINT a(i);
NEXT
PRINT
FOR i = 1 TO n \ 2
    SWAP a(i), a(n - i + 1)
NEXT
PRINT "massiv v obratnom poryadke"
FOR i = 1 TO n
    PRINT a(i);
NEXT