import random

당첨자수 = 3
후보 = "cljg918, woo7739, jhyun6913.park, get-cheaper, idas4you, zenigame, louispark, coffeenut, greenjuice, floridasnail, mastertri, jaytop, woolgom, danbain, haerang2, nand, jaywon, oounding, lws, julianpark, gilma, moneykim, breath"

lotteryBox = 후보.split(',')
random.shuffle(lotteryBox)

for i in range(0,당첨자수):
  print(lotteryBox[i])