c = 3
d = 5

function wusi(a, b)
    d = 10
    return a + b + $c + d
end

wusi(5, 6)
print wusi(3, 4)
print wusi(5, 4)

function fac(n)
    if n then
        return n * fac(n - 1)
    endif
    return 1
end

function baum()
end

print fac(4)
print fac(5)
print baum()
print baum()