import random

당첨자수 = 1
후보 = "cljg918, woo7739, nand, jhyun6913.park, leomichael, coffeenut, woolgom, lws"

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

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