Дан двумерный массив. Все элементы массива умножить на максимальный элемент- Basic(Бейсик)

INPUT"vvedite kolichestvo strok N ",n
INPUT"vvedite kolichestvo stolbcov M ",m
RANDOMIZE TIMER
DIM a(n,m)
FOR i=1 TO n
FOR j=1 TO m
a(i,j)=INT(RND*20)
NEXT
NEXT
PRINT "matrica "
FOR i=1 TO n
FOR j=1 TO m
PRINT a(i,j);
NEXT
PRINT
NEXT
max=a(1,1)
FOR i=1 TO n
FOR j=1 TO m
IF a(i,j)>max THEN max=a(i,j)
NEXT
NEXT
PRINT "novaya matrica "
FOR i=1 TO n
FOR j=1 TO m
a(i,j)=a(i,j)*max
PRINT a(i,j);
NEXT
PRINT
NEXT