10 dim a$(10): dim b$(10)
30 for i = 1 to 10: print i: next i
40 for i = 1 to 10: print j: next i: rem doesn't know about the flow
50 j = 5
60 let z = i + j + x
70 if k = 5 then m = 3
80 print m: print a$: b$(1) = a$