Вывести квадратную матрицу на экран — Basic(Бейсик)

INPUT n
DIM a(n, n)
FOR i = 1 TO n
FOR j = 1 TO n
INPUT "vvedite element "; a(i, j)
NEXT
NEXT
FOR i = 1 TO n
FOR j = 1 TO n
PRINT a(i, j); " ";
NEXT
PRINT
NEXT