import random

당첨자수 = 1
후보 = "woo7739, jhyun6913.park, cheolwoo-kim, nand, louispark, get-cheaper, floridasnail, greenjuice, coffeenut, mastertri, jaytop, jaywon, woolgom, lws, white-rose, gilma, lsj01090, julianpark, dossa0328, breath"

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

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