# Hello world!

    # prepare *p in a and b
    dec a ?+3; Z Z ?-6
    dec b ?+3; Z Z ?-6
    p a; p b

    # check that b>0
    dec t ?+3; Z Z ?-6
    b:1 t (-1)     

    # output a
    a:1 (-1)

    # p++
    inc p

    Z Z 0

. p:H Z:0 dec:-1 inc:1 t:0
. H:"Hello, World!\n\0"