Даны матрица Х и Z получить матрицу У элементы которой раны= Xij-Zij- QBasic(Бейсик)

X------
7 1 1
3 0 -3 
-18 -2 8

Z------
2 8 -7 
3 10 -1 
7 18 19

DIM x(3, 3), y(3, 3), z(3, 3)
DATA 7,1,1,3,0,-3,18,-2,8
DATA 2,8,-7,3,10,-12,7,18,19
PRINT "massiv X"
FOR i = 1 TO 3
    FOR j = 1 TO 3
        READ x(i, j)
        PRINT x(i, j);
    NEXT
    PRINT
NEXT
PRINT "massiv Z"
FOR i = 1 TO 3
    FOR j = 1 TO 3
        READ z(i, j)
        PRINT z(i, j);
    NEXT
    PRINT
NEXT
PRINT "massiv Y"
FOR i = 1 TO 3
    FOR j = 1 TO 3
        y(i, j) = x(i, j) - z(i, j)
        PRINT y(i, j);
    NEXT
    PRINT
NEXT