from random import randint
def satuan(x):
    return ["", "satu", "dua", "tiga", "empat", "lima", "enam", "tujuh", "delapan", "sembilan"][x]

def special(spc):
    def partial(x):
        if x == 0:
            return ""
        if x == 1:
            return ''.join(["se", spc])
        else:
            return ' '.join([satuan(x), spc])
    return partial

def spell(val, baseline="ribu"):
    belasan = special("belas")
    specials = [special(x) for x in ["", "puluh", "ratus", baseline]]
    if val in ["", "0"]:
        return ""
    if int(val) < 10:
        return satuan(int(val)) + " "
    if 10 < int(val) < 20:
        return belasan(int(val) % 10) + " "

    return ' '.join([specials[len(val) - 1](int(val[0])), spell(val[1:])])

def lazyCleaner(s):
    return ' '.join([_ for _ in s.split(" ") if _ != ""])

def spellExpand(VAL):
    if VAL == "0":
        return "nol"
    baseline = ["", "ribu", "juta", "milyar", "triliyun"][:len(VAL) / 3 + 1]
    slc = [0] + [_ for _ in reversed(range(len(VAL), 0, -3))]
    vals = [VAL[slc[i]:slc[i+1]] for i in xrange(len(slc) - 1)]
    spells = [''.join([spell(val), base]) for val, base in zip(vals, reversed(baseline))]
    return lazyCleaner(' '.join(spells)).replace("satu ribu", "seribu")

def testing():
    for _ in xrange(10):
        v = 1001001
        print spellExpand(str(v))
        print

if __name__ == '__main__':
    testing()