external function PutNum(n).
external function PutChar(n).
external function AddOne(n).

Function PrintHelloWorld(),
    set tmp to 0.
    set h to 72.
    set e to 101.
    set l to 108.
    set o to 111.
    set w to 119.
    set r to 114.
    set d to 100.
    set space to 32.
    set newline to 10.
    set bang to 33.
    change tmp to PutChar(h).
    change tmp to PutChar(e).
    change tmp to PutChar(l).
    change tmp to PutChar(l).
    change tmp to PutChar(o).
    change tmp to PutChar(space).
    change tmp to PutChar(w).
    change tmp to PutChar(o).
    change tmp to PutChar(r).
    change tmp to PutChar(l).
    change tmp to PutChar(d).
    change tmp to PutChar(bang).
    change tmp to PutChar(space).
    change tmp to PutChar(newline).
    return 0.
!

set tmp to PrintHelloWorld().
change tmp to PutNum(AddOne(0)).
change tmp to PutChar(10).