x=10
y=20
dim array1(x)
dim array2(y)
[concatenate]
dim array3(x + y)
for i = 1 to x
array3(i) = array1(i)
next
for i = 1 to y
array3(i + x) = array2(i)
[print]
for i = 1 to x + y
print array3(i)