external function PutNum(n).
external function PutNumBin(n).
external function PutNumHex(n).
external function PutNumOct(n).
external function PutChar(n).

Function PrintHelloWorld(),
    set tmp to 0.
    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(' ').
    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('!').
    change tmp to PutChar('\n').
!

set tmp to PrintHelloWorld().