import random

당첨자수 = 1
후보 = "woo7739, cljg918, jhyun6913.park, get-cheaper, cheolwoo-kim, danbain, mastertri, floridasnail, coffeenut, jaywon, sampling, oounding, junn, overdrive321, candycoco, breath, woolgom, lws, flowerstar"

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

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