import random

당첨자수 = 1
후보 = "krexchange, jhyun6913.park, mastertri, candycoco, sampling, gilma, woolgom, oounding, junn, watermelon13, breath, jkyoon, lws"

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

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