proc start

    push 0
    push '!'
    push 'd'
    push 'l'
    push 'r'
    push 'o'
    push 'w'
    push ' '
    push 'o'
    push 'l'
    push 'l'
    push 'e'
    push 'H'

    call print
    call nl
endproc

proc nl
    push '\n' outc
endproc


proc print
    dup
    loop
        outc
        dup
    endloop
    pop
endproc