def zvezdice(string):
    out = string.split('*')
    for i in range(1,len(out),2):
        sub_original = out[i].lower()
        sub = ''
        up = True
        for j in sub_original:
            if up: sub += j.upper()
            else: sub += j
            up = not up
        out[i] = sub

    return ''.join(out)

print(zvezdice('thiS is *dVA* should this *WoRk'))